Consciousness has long intrigued thinkers, from ancient philosophers to contemporary neuroscientists. It is a complex phenomenon we encounter daily, yet we often find it difficult to fully define or comprehend.



This elusive aspect of our existence encompasses our thoughts, emotions, perceptions, and self-awareness. 



Despite significant advancements in fields like cognitive science and psychology, the true nature of consciousness remains one of humanity's <a href="https://www.earth.com/news/panpsychism-what-if-all-things-humans-plants-atoms-have-universal-consciousness/" target="_blank" rel="noreferrer noopener">most profound mysteries</a>.



Researchers are actively investigating how consciousness emerges from brain activity, the distinctions between conscious and unconscious states, and the broader implications of consciousness on our understanding of reality and existence.



<h2 class="wp-block-heading" id="h-hyperdimensional-paradigm">Hyperdimensional paradigm</h2>



Michael Pravica, a physics professor at the <a href="https://www.unr.edu/" target="_blank" rel="noreferrer noopener">University of Nevada</a>, offers a fresh perspective on the age-old mystery of consciousness. 



He proposes that understanding this <a href="https://www.earth.com/news/understanding-human-consciousness-through-eureka-moments/" target="_blank" rel="noreferrer noopener">complex phenomenon</a> may require us to look beyond our familiar dimensions.



Central to his theory is the concept of hyperdimensionality -- the intriguing possibility that our universe harbors more dimensions than the four we can perceive (three spatial dimensions and one of time).



Could this expanded view open new pathways for exploring the nature of consciousness? 



By examining these <a href="https://www.earth.com/news/where-in-the-brain-does-consciousness-reside-scientists-think-they-might-know/" target="_blank" rel="noreferrer noopener">broader dimensions</a>, we may uncover insights that have significant implications for our understanding of the universe and our place within it.



"The sheer fact we can conceive of higher dimensions than four within our mind, within our mathematics, is a gift... It's something that transcends biology," Pravica told Popular Mechanics. 



He believes that our ability to imagine and mathematically describe dimensions beyond <a href="https://www.earth.com/news/when-do-babies-start-gaining-their-consciousness/" target="_blank" rel="noreferrer noopener">our physical experience</a> hints at a deeper connection between consciousness and the fabric of the universe.



<h2 class="wp-block-heading" id="h-string-theory-and-higher-dimensions">String theory and higher dimensions</h2>



String theory is an ambitious framework in physics that seeks to unify all fundamental forces and particles into a <a href="https://www.earth.com/news/radical-new-theory-finally-unites-gravity-spacetime-and-the-quantum-realm/" target="_blank" rel="noreferrer noopener">single theoretical model</a>. It proposes that the basic building blocks of the universe aren't point-like particles but tiny, one-dimensional "strings" that vibrate at specific frequencies. 



These vibrations correspond to different particles, much like how different musical notes come from vibrations of a guitar string. To make the mathematics of string theory work, scientists have found that it requires additional spatial dimensions. 



These new dimensions extend beyond the three we experience daily. In some versions of the theory, there are up to ten or eleven dimensions in total.



The extra dimensions aren't easily observed because they might be compactified or curled up at scales so small they're beyond our current ability to detect. Imagine dimensions folded in on themselves like tiny loops at every point in space. 



<h2 class="wp-block-heading" id="h-dimension-of-consciousness">Dimension of consciousness</h2>



While the concepts of hyperdimensionality and string theory have received overwhelming acceptance from physicists, attributing a link between higher dimensions and consciousness can stir up a tempest in the <a href="https://www.earth.com/news/meditation-reveals-common-altered-states-of-consciousness/" target="_blank" rel="noreferrer noopener">scientific teapot</a>.



Interestingly, Pravica, an Orthodox Christian with a PhD from <a href="https://www.harvard.edu" target="_blank" rel="noreferrer noopener">Harvard</a>, harnesses hyperdimensionality to bridge the gap between his scientific understanding and religious faith. He posits a fascinating theory: Jesus could be a hyperdimensional entity.



Pravica explained his perspective by citing a Biblical event. "According to the Bible, Jesus ascended into heaven 40 days after being on Earth. How do you ascend into heaven if you're a four-dimensional creature?" he pondered.



<h2 class="wp-block-heading" id="h-science-fiction-or-fact">Science fiction or fact?</h2>



Not everyone in the scientific field is convinced by Pravica's approach. Some argue that linking consciousness to hyperdimensionality -- and by extension, to religious concepts -- blurs the line between empirical science and personal belief. 



One scientist commented that such theories are bordering "on science fiction." <a href="https://www.fordham.edu/academics/departments/physics-and-engineering-physics/faculty-and-staff/stephen-holler/" target="_blank" rel="noreferrer noopener">Stephen Holler</a>, an associate professor of physics at <a href="https://www.fordham.edu" target="_blank" rel="noreferrer noopener">Fordham University</a> in New York, shares this skepticism. 



He emphasizes the importance of acknowledging gaps in our scientific knowledge without resorting to non-scientific explanations. 



"Gaps in scientific knowledge are attributed to divine intervention, rather than being seen as opportunities for further inquiry and understanding," Holler told Popular Mechanics.



He further expresses concern that this approach might <a href="https://www.earth.com/news/quantum-consciousness-and-you-what-happens-when-machines-become-sentient/" target="_blank" rel="noreferrer noopener">hinder scientific progress</a>. "It's a poor explanation mechanism that arguably stifles the inquisitive nature required for good science and teaches that it’s not okay to say, 'I don’t know'," Holler added. 



His viewpoint highlights the delicate balance between remaining open to new ideas and maintaining rigorous scientific standards.



<h2 class="wp-block-heading" id="h-dimension-of-consciousness-0">Dimension of consciousness</h2>



The debate sparked by Pravica's theory brings to light the broader conversation about how we explore consciousness. Could considering extra dimensions <a href="https://www.earth.com/news/mindfulness-can-lead-to-altered-states-of-consciousness/" target="_blank" rel="noreferrer noopener">offer new insights</a>, or does it complicate the matter further? 



While hyperdimensionality is a well-established concept in theoretical physics, its application to consciousness is relatively uncharted territory.



This discussion also touches on how personal beliefs can influence scientific exploration. Throughout history, many scientists have drawn inspiration from their philosophical or religious views. 



The key challenge lies in ensuring that such influences encourage curiosity rather than limit it.



<h2 class="wp-block-heading" id="h-future-of-consciousness-research">Future of consciousness research</h2>



As we continue to investigate the nature of consciousness, it's essential to keep an open mind while adhering to scientific principles. 



Theories like Pravica's invite us to think creatively and consider possibilities beyond conventional wisdom. They remind us that much about the human mind -- and the universe -- remains unknown.



Advancements in technology, such as <a href="https://www.earth.com/news/quantum-connection-behind-brain-signals-and-human-consciousness/" target="_blank" rel="noreferrer noopener">quantum computing</a> and <a href="https://www.earth.com/news/ai-will-outsmart-humans-when-we-crack-the-neural-code/" target="_blank" rel="noreferrer noopener">artificial intelligence</a>, may soon provide new tools to study consciousness. 



These developments could help us understand how cognitive processes might interact with dimensions we have yet to explore fully.



The quest to comprehend consciousness is far from over. Ideas that challenge the status quo, like the hyperdimensional paradigm, play a crucial role in pushing the boundaries of knowledge. 



Whether or not such theories withstand scientific scrutiny, they provoke valuable discussions that drive progress.



-----



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Consciousness may stem from unseen dimensions beyond our reality

Consciousness has long intrigued thinkers, from ancient philosophers to contemporary neuroscientists. It is a complex phenomenon we encounter daily, yet we often find it difficult to fully define or comprehend. This elusive aspect of our existence encompasses our thoughts, emotions, perceptions, and self-awareness. Despite significant advancements in fields like cognitive science and psychology, the true nature of consciousness remains one of humanity's most profound mysteries. Researchers are actively investigating how consciousness emerges from brain activity, the distinctions between conscious and unconscious states, and the broader implications of...

Central Asia's Glaciers Are Shrinking Rapidly. With temperatures rising, Central Asia's glaciers are relinquishing more and more meltwater.

The glaciers of Central Asia, which supply clean water to billions, are shrinking.

According to a new study, the ice sheets of Central Asia's largest mountain range, <a class="tpstyle" title="Tien Shan" href="http://www.upi.com/topic/Tien_Shan/">Tien Shan</a>, have lost 27 percent of their mass and 18 percent of their surface area over the last half-century. A team of researchers from France and Germany suggest half the region's glaciers could be gone by 2050.

The health of Tien Shan's ice reserves are vital for Kazakhstan, Kyrgyzstan, Uzbekistan, and parts of China, which rely on the glacier meltwater to supply their population with clean water.

Despite the region's importance, Tien Shan's glaciers haven't been closely monitored in recent decades. Researchers have attempted to account for the lack of information by reconstructing the evolution of Central Asian glaciers.Central Asia's Glaciers Are Shrinking Rapidly

"We combined various methods based on satellite gravimetry, laser altimetry and glaciological modeling," lead study author Daniel Farinotti, researcher at GFZ German Research Centre for Geosciences, explained in a press release.

"This way, we were able to reconstruct the evolution of every single glacier," Farinotti added. "Currently, the Tien Shan is losing ice at a pace that is roughly twice the annual water consumption of entire Germany."

The new research was published <a class="tpstyle" href="http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2513.html" target="_blank" rel="noopener noreferrer">in the journal Nature Geoscience</a>.

Meltwater is especially important for regions with long dry seasons. Glaciers serve as bank in which precipitation can be stored for later use. This is Central Asia's model for local water supply, and one under increasing climatic pressure.

With temperatures rising, Central Asia's glaciers are relinquishing more and more meltwater during the hot months. And they're also failing to replenish themselves.

"Since the winter months in the region are very dry and the mountains are that high, glaciers receive most of their snowfalls during summer," Farinotti said. "This means that an increased temperature contributes to both increased melt and reduced glacier nourishment -- and obviously, both contribute to glacier wastage."

A diminished water supply could have negative effects on China's northwestern Xinjiang Uyghur autonomous region. The area's coal, oil and gas industries are an important part of the Chinese economy.

"If water resources really will decline there in the future, there is a big potential for conflicts," Farinotti told Live Science.

---

Credit: UPI

Central Asia's Glaciers Are Shrinking Rapidly

Central Asia's Glaciers Are Shrinking Rapidly. With temperatures rising, Central...

EPA Plan: Cut Methane Emission From Oil And Gas Wells By 50 Percent. The Obama administration on Tuesday proposed cutting methane emissions from U.S. oil and gas well production by nearly half over the next decade, part of on ongoing push by President Barack <a href="http://www.earth.com/news/coal-plants-closed-trump/">Obama</a> to curb climate change.
The administration's target is to cut methane from oil and gas drilling by 40 to 45 percent by 2025, compared to 2012 levels. The move was not unexpected; officials had set the same goal in a preliminary blueprint in January. Still, by moving forward with the official proposal, Obama is adding to a list of energy regulations that have drawn applause from environmentalists and ire from energy advocates.
To help meet the goal, the administration issued a rule cutting emissions from new and modified oil and <a href="https://www.bing.com/search?q=natural+gas&amp;cvid=35fc0acaa0be4ab6b122481a0ff997fa&amp;FORM=ANAB01&amp;PC=HCTS">natural gas</a> wells, along with updated standards for drilling to reduce leakage from wells on public lands.
The rule would require energy producers to find and repair leaks at oil and gas wells and capture gas that escapes from wells that use a common drilling technique known as hydraulic fracturing, or fracking. EPA Plan: Cut Methane Emission From Oil And Gas Wells By 50 Percent
Officials estimate the rule would cost industry from $320 million to $420 million in 2025, with reduced health care costs and other benefits totaling about $460 million to $550 million.
"Today, through our cost-effective proposed standards, we are underscoring our commitment to reducing the pollution fueling climate change and protecting public health while supporting responsible energy development, transparency and accountability," EPA Administrator Gina McCarthy said in a statement.
The administration is expected to finalize the rules next year shortly before Obama leaves office.
Methane, the key component of natural gas, tends to leak during oil and gas production. Although it makes up just a sliver of greenhouse gas emissions in the United States, it is far more powerful than the more prevalent gas carbon dioxide at trapping heat in the atmosphere. That makes methane a top target for environmentalists concerned about global warming.
With his presidency drawing to a close, Obama has been in a rush to propose and then finalize sweeping regulations targeting greenhouse gases blamed for global warming.
The methane rule follows a landmark regulation Obama finalized earlier this month to cut carbon dioxide emissions from coal-fired power plants by 32 percent. The plan, the centerpiece of Obama's climate change strategy, drew immediate legal challenges from power companies and Republican-led states.
Obama also has proposed regulations targeting carbon pollution from airplanes and set new standards to improve fuel efficiency and reduce carbon dioxide pollution from trucks and vans.
In total, Obama has set a goal to cut overall U.S. emissions by 26 percent to 28 percent over the next decade, as he seeks to leave a legacy of using the full range of his executive power to fight climate change and encourage other countries to do the same.
Katie Brown, a spokeswoman for Energy In Depth, an oil industry group, said methane emissions from fracking are already declining because of improved drilling techniques.
"Cheap natural gas has delivered substantial climate benefits that came largely from voluntary reductions by industry and technological innovation," she said. "Federal regulations, especially if crafted poorly, could inflict more pain on the men and women who work in the oil and gas industry."
The administration said the rule would apply only to emissions from new or modified natural gas wells, meaning thousands of existing wells won't have to comply.
Environmentalists say that the ambitious goals announced under the proposed rule would be difficult to meet without targeting existing wells.
David Doniger, climate policy director for the Natural Resources Defense Council, an environmental group, called the new rule "a good start." But Doniger said, "EPA needs to follow up by setting methane leakage standards for existing oil and gas operations nationwide."
Janet McCabe, acting assistant EPA administrator for air and radiation, told reporters that the new rule could reduce emissions by as much as 25 to 30 percent by 2025. She did not specify how the remainder of the 45-percent goal would be met, but experts said the administration would likely rely on voluntary efforts, state regulations and an Interior Department rule covering drilling on public lands to meet that target.
The methane rule comes one day after Obama approved a final permit allowing Shell to drill for oil in the Arctic Ocean off the Alaska coast. Environmental groups have criticized the move, saying the permit clashes with the message Obama will deliver when he visits Alaska this month to emphasize the dangers of climate change.
The U.S. Geological Survey estimates that U.S. Arctic waters hold 26 billion barrels of recoverable oil. Shell is eager to explore in a basin that company officials say could be a "game changer" for domestic production.
Democratic presidential candidate Hillary Rodham Clinton on Tuesday opposed Obama's decision to allow drilling in the Arctic Ocean, writing in a Twitter post that "The Arctic is a unique treasure. Given what we know, it's not worth the risk" of a major spill to allow drilling.
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EPA Plan: Cut Methane Emission From Oil And Gas Wells By 50 Percent

EPA Plan: Cut Methane Emission From Oil And Gas Wells...

California Plans To Acquire Land For Massive Water Tunnels. State contractors have readied plans to acquire as many as 300 farms in the <a href="http://www.earth.com/image/brutal-fire-season-continues-in-california/">California</a> delta by eminent domain to make room for a pair of massive, still-unapproved water tunnels proposed by Gov. Jerry Brown, according to documents obtained by opponents of the tunnels.
Farmers whose parcels were listed and mapped in the 160-page property-acquisition plan expressed dismay at the advanced planning for the project, which would build 30-mile-long tunnels in the delta formed by the San Joaquin and Sacramento rivers. California Plans To Acquire Land For Massive Water Tunnels
"What really shocks is we're fighting this and we're hoping to win," said Richard Elliot, who grows cherries, pears and other crops on delta land farmed by his family since the 1860s. "To find out they're sitting in a room figuring out this eminent domain makes it sound like they're going to bully us ... and take what they want."
Officials involved in the project defended planning so far ahead regarding the tunnels.
"Planning for right-of-way needs, that is the key part of your normal planning process," said Roger Patterson, assistant general manager for the Metropolitan Water District of <a href="https://www.bing.com/search?q=southern+california&amp;cvid=6034d5cf61484bb1a2320b84d29e672b&amp;FORM=ANAB01&amp;PC=HCTS">Southern California,</a> one of the water agencies that would benefit from the twin tunnels.
The district serves 17 million people in Southern California as well as large farms and businesses.
Brown's administration said re-engineering water flows of the delta - the largest estuary on the West Coast - is essential to undoing mistakes of past water projects and to supplying water to Southern California.
Brown has pushed for a massive delta makeover since his first stint as governor in the 1970s and 1980s. In May, he told critics of the tunnels to "shut up."
Opponents say the tunnels would jeopardize delta farming and destroy vital wildlife habitat.
"If these reports are correct, then we have further confirmation that the tunnels project has been a forgone conclusion," state Sen. Lois Wolk, D-Davis, who chairs a committee on the delta, said in an email Monday.California Plans To Acquire Land For Massive Water Tunnels
The environmental review, "which should be used to choose a project, is simply being used to justify the favored project," she wrote.
Through October, the project officially is in a period of public comment on the environmental impact of the tunnels. The U.S. Environmental Protection Agency, which opposed an earlier version of the project, also must still weigh in.
Restore the Delta, a group of farmers, fishing associations, environmental groups and other opponents, released the property plan that was obtained with a request made under the state open records law. The plan targets public and private land in Sacramento, San Joaquin, Contra Costa and Alameda counties to be acquired for the project.
Under the plan, landowners would have 30 days to consider and negotiate a one-time state offer, while officials simultaneously prepare to take the land by forced sale if owners declined to sell. "Negotiations to continue in parallel with eminent domain proceedings," the plan notes.
Contractors also appear to call for minimal public input.
"All transactions are conducted, reviewed and approved internally by DCE staff and managers to maintain control and avoid unnecessary delays to schedule," the property plan outlines. "DCE shall seek to minimize external review and approval requirements."
DCE is short for Delta Conveyance Facilities Design and Construction Enterprise, a private-contractor group embedded within the state Department of Water Resources to work on the proposed tunnels.
In a June interview, Neil Gould, an attorney for the Department of Water Resources, said planning for the proposed tunnels was no more than 10 percent complete and had focused on assessing the environmental impact.
Asked if planning the process of eminent domain was warranted as part of the project's environmental review, Department of Water Resources spokeswoman Nancy Vogel said Monday in an email, "identification of properties that may be within the project area is necessary ... as DWR needs to estimate the proposed project's potential impacts to those properties."
Public water agencies paid for the property acquisition plan, Vogel said. Those include water agencies in the San Francisco Bay Area and Central California, as well as Southern California, she said.
Patterson, with the Metropolitan Water District, said the latest revisions to the overall tunnels project laid out using more public land and less private land.
Osha Meserve, an attorney for some of the delta farmers fighting the project, said the latest plans still proposes taking roughly the same land as before.
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

California Plans To Acquire Land For Massive Tunnels

California Plans To Acquire Land For Massive Water Tunnels. State...

Muslim Scholars Join The Pope In Call To Rapid Climate Action. Muslim scholars and environmental advocates from about 20 countries on Tuesday called for a <a href="http://www.earth.com/news/the-window-to-avoid-dangerous-global-warming-is-narrowing/">global</a> phase-out of greenhouse gas emissions by mid-century, joining a chorus of religious leaders urging the world to take strong action against global warming.
Participants in a seminar in Istanbul said it was the first declaration of its kind from Islamic leaders, a voice many say has been missing from the debate on global warming. Muslim Scholars Join The Pope In Call To Rapid <a href="https://www.bing.com/search?q=climate&amp;cvid=7261a4ed92244e269c03bf95bd94a848&amp;FORM=ANAB01&amp;PC=HCTS">Climate</a> Action
The move comes two months after Pope Francis' encyclical on climate change and other environmental issues and ahead of a key U.N. climate conference in Paris in December, where world leaders are supposed to adopt a landmark agreement to fight climate change.
"I think this declaration will incentivize ambitious actions and spur the Muslim world, especially the oil producing countries," said Mohamed Adow, a Kenyan advocate for climate action who attended the seminar.
Organizers said the declaration was "in harmony" with the pope's message and supported by the Pontifical Council on Justice and Peace.
About 60 delegates adopted the declaration at the end of the seminar, including leading clerics from Indonesia, Uganda, Lebanon and Bosnia.
However, some influential Islamic leaders were absent, including Turkey's top cleric, who didn't even send a representative.
It remains to be seen whether the message from the scholars is repeated by imams in mosques across the Muslim world.
"Some of them are hopelessly out of touch on this," said Fazlun Khalid of the Britain-based Islamic Foundation for Ecology and Environmental Sciences, which organized the conference together with the Islamic Relief charity.
The declaration urged rich countries and oil-producing states to lead the way in phasing out greenhouse gas emissions "no later than the middle of the century." The burning of oil, coal and gas is the main source of such emissions.
Climate activists are calling for a zero emissions goal to be included in the Paris agreement but face resistance from major oil-producing countries, including in the Middle East. Last year a Saudi representative at U.N. climate talks in Lima told AP it's unrealistic to expect a phase-out of fossil fuels in the near term, given the rapidly growing energy demands in the developing world.
"It's not something that has great support in the Arab world," said Saleemul Huq of the International Institute of Environment and Development in London. "We are trying to move the needle in the other direction and persuade the Saudis that it is the right thing."
---
Ritter reported from Stockholm.
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Muslim Scholars Join The Pope In Call To Rapid Climate Action

Muslim Scholars Join The Pope In Call To Rapid Climate...

<a href="https://www.bing.com/search?q=EPA&amp;cvid=5304c1da9e384c4e860b09198343f57c&amp;FORM=ANAB01&amp;PC=HCTS">EPA</a> Plan: Cut Methane Emission From Oil And Gas Wells By 50 Percent. The <a href="http://www.earth.com/news/coal-plants-closed-trump/">Obama</a> administration on Tuesday proposed cutting methane emissions from U.S. oil and gas well production by nearly half over the next decade, part of on ongoing push by President Barack Obama to curb climate change.
The administration's target is to cut methane from oil and gas drilling by 40 to 45 percent by 2025, compared to 2012 levels. The move was not unexpected; officials had set the same goal in a preliminary blueprint in January. Still, by moving forward with the official proposal, Obama is adding to a list of energy regulations that have drawn applause from environmentalists and ire from energy advocates.EPA Plan: Cut Methane Emission From Oil And Gas Wells By 50 Percent
To help meet the goal, the administration issued a rule cutting emissions from new and modified oil and natural gas wells, along with updated standards for drilling to reduce leakage from wells on public lands.
The rule would require energy producers to find and repair leaks at oil and gas wells and capture gas that escapes from wells that use a common drilling technique known as hydraulic fracturing, or fracking.
Officials estimate the rule would cost industry from $320 million to $420 million in 2025, with reduced health care costs and other benefits totaling about $460 million to $550 million.
"Today, through our cost-effective proposed standards, we are underscoring our commitment to reducing the pollution fueling climate change and protecting public health while supporting responsible energy development, transparency and accountability," EPA Administrator Gina McCarthy said in a statement.
The administration is expected to finalize the rules next year shortly before Obama leaves office.
Methane, the key component of natural gas, tends to leak during oil and gas production. Although it makes up just a sliver of greenhouse gas emissions in the United States, it is far more powerful than the more prevalent gas carbon dioxide at trapping heat in the atmosphere. That makes methane a top target for environmentalists concerned about global warming.
With his presidency drawing to a close, Obama has been in a rush to propose and then finalize sweeping regulations targeting greenhouse gases blamed for global warming.
The methane rule follows a landmark regulation Obama finalized earlier this month to cut carbon dioxide emissions from coal-fired power plants by 32 percent. The plan, the centerpiece of Obama's climate change strategy, drew immediate legal challenges from power companies and Republican-led states.
Obama also has proposed regulations targeting carbon pollution from airplanes and set new standards to improve fuel efficiency and reduce carbon dioxide pollution from trucks and vans.
In total, Obama has set a goal to cut overall U.S. emissions by 26 percent to 28 percent over the next decade, as he seeks to leave a legacy of using the full range of his executive power to fight climate change and encourage other countries to do the same.
Katie Brown, a spokeswoman for Energy In Depth, an oil industry group, said methane emissions from fracking are already declining because of improved drilling techniques.
"Cheap natural gas has delivered substantial climate benefits that came largely from voluntary reductions by industry and technological innovation," she said. "Federal regulations, especially if crafted poorly, could inflict more pain on the men and women who work in the oil and gas industry."
The administration said the rule would apply only to emissions from new or modified natural gas wells, meaning thousands of existing wells won't have to comply.
Environmentalists say that the ambitious goals announced under the proposed rule would be difficult to meet without targeting existing wells.
David Doniger, climate policy director for the Natural Resources Defense Council, an environmental group, called the new rule "a good start." But Doniger said, "EPA needs to follow up by setting methane leakage standards for existing oil and gas operations nationwide."
Janet McCabe, acting assistant EPA administrator for air and radiation, told reporters that the new rule could reduce emissions by as much as 25 to 30 percent by 2025. She did not specify how the remainder of the 45-percent goal would be met, but experts said the administration would likely rely on voluntary efforts, state regulations and an Interior Department rule covering drilling on public lands to meet that target.
The methane rule comes one day after Obama approved a final permit allowing Shell to drill for oil in the Arctic Ocean off the Alaska coast. Environmental groups have criticized the move, saying the permit clashes with the message Obama will deliver when he visits Alaska this month to emphasize the dangers of climate change.
The U.S. Geological Survey estimates that U.S. Arctic waters hold 26 billion barrels of recoverable oil. Shell is eager to explore in a basin that company officials say could be a "game changer" for domestic production.
Democratic presidential candidate Hillary Rodham Clinton on Tuesday opposed Obama's decision to allow drilling in the Arctic Ocean, writing in a Twitter post that "The Arctic is a unique treasure. Given what we know, it's not worth the risk" of a major spill to allow drilling.
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

Clinton Distancing Herself From Obama On Climate Change. Hillary Rodham Clinton is voicing opposition to President Barack Obama's authorization for oil drilling in the Alaska Arctic and his delays on Keystone XL, in some of the clearest signs of the Democratic front-runner distancing herself from the president.
Having agreed with him on most issues so far in her 2016 race, Clinton edged to <a href="http://www.earth.com/news/coal-plants-closed-trump/">Obama</a>'s left on climate change on Tuesday. In the course of a few hours, she announced her disapproval of his move to allow Royal Dutch Shell to drill in the Arctic Ocean and her impatience for a decision on the controversial Keystone XL pipeline.Clinton Distancing Herself From Obama On Climate Change
<a href="https://www.bing.com/search?q=clinton&amp;cvid=fbdfcc871e0c4221b824bfd67a7483e9&amp;FORM=ANAB01&amp;PC=HCTS">Clinton</a> argued on Twitter that the Arctic is a unique treasure and "not worth the risk of drilling." Then as she took questions from reporters later in Nevada, she said the U.S. should be focusing on cleaner sources of renewable energy, rather than risking "potential catastrophes" in the search for more oil.
"I think the very great difficulties that Shell encountered the last time they tried to do that should be a red flag for anybody," Clinton said, referring to a setback that beset the oil giant when it tried to drill there in 2012, including a rig that ran aground.
In the early months of her campaign, Clinton has rarely disagreed publicly with Obama, who remains popular among core Democratic voters but much less so among the broader American public. Her biggest rebuff came in June when she declined to support giving Obama expedited negotiating authority on trade. Even in that case, she characterized her position as more of a wait-and-see approach than outright opposition to the trade deals he's pursuing.
One of Clinton's challenges is winning enough support in the liberal wing of the Democratic Party. Her primary opponents like Vermont Sen. Bernie Sanders have been vocal in their opposition to Keystone, Arctic drilling and other projects deemed risky for the environment. And in recent weeks, Clinton has sought subtle distinctions with Obama by suggesting that she could be more effective in working with Republicans to get things done.
Clinton's comments on Arctic drilling came less than a day after the Obama administration, in a long-expected move, gave Shell the final permits needed to drill for oil off Alaska's northwest coast, drawing consternation from environmentalists who warn about its effects on climate change and already vulnerable species in the region.
Unsurprisingly, the same groups that had criticized Obama praised Clinton for stating her opposition. "We applaud Secretary Clinton for standing up for what science, the will of the American people and common sense demand," said Sierra Club Executive Director Michael Brune.
But Clinton's Republican opponents pushed back, working to portray the Democrat as hostile to U.S. energy development.
"Wrong," former Florida Gov. Jeb Bush responded on Twitter. "Being more-anti energy than Obama is extreme."
Added New Jersey Gov. Chris Christie: "Still waiting to hear your position on Keystone."
Clinton has said she won't take a stance on whether to approve the Keystone XL pipeline, which would carry oil from Canada into the U.S., unless the decision is still pending if and when she's elected. Citing her work on the issue as secretary of state, Clinton argued it would be imprudent for her to weigh in. But Keystone supporters and opponents alike have questioned her refusal to say what she believes about an issue important to voters.
Following a town hall Tuesday in Nevada, Clinton sought to reframe the question as one about Obama and why the pipeline was even still an open question. She said she "would really hope" a decision would come soon, adding she felt some responsibility since she was involved in the process earlier.
"But I am getting impatient, because I feel that at some point a decision needs to be made," Clinton said. "And I'm not comfortable saying, you know, `I have to keep my opinion to myself' given the fact that I was involved in it. So at some point I may change my view on that."
---
Lederman reported from Washington
---
Reach Josh Lederman on Twitter at <a href="http://twitter.com/joshledermanAP" target="_blank" rel="noopener noreferrer">http://twitter.com/joshledermanAP</a> and Ken Thomas at <a href="https://twitter.com/kthomasdc" target="_blank" rel="noopener noreferrer">https://twitter.com/kthomasdc</a>
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Clinton Distancing Herself From Obama On Climate Change

Clinton Distancing Herself From Obama On Climate Change. Hillary Rodham...

Muslim Scholars Join The Pope In Call To Rapid Climate Action. <a href="https://www.bing.com/search?q=muslim&amp;cvid=2ecc6fa7fa1e4f9ea504d97b7bb8c31b&amp;FORM=ANAB01&amp;PC=HCTS">Muslim</a> scholars and environmental advocates from about 20 countries on Tuesday called for a global phase-out of greenhouse gas emissions by mid-century, joining a chorus of religious leaders urging the world to take strong action against global warming.
Participants in a seminar in Istanbul said it was the first declaration of its kind from Islamic leaders, a voice many say has been missing from the debate on global warming. Muslim Scholars Join The Pope In Call To Rapid Climate Action
The move comes two months after Pope Francis' encyclical on climate change and other environmental issues and ahead of a key U.N. climate conference in <a href="http://www.earth.com/news/inconsistent-paris-agreement-pledges/">Paris</a> in December, where world leaders are supposed to adopt a landmark agreement to fight climate change.
"I think this declaration will incentivize ambitious actions and spur the Muslim world, especially the oil producing countries," said Mohamed Adow, a Kenyan advocate for climate action who attended the seminar.
Organizers said the declaration was "in harmony" with the pope's message and supported by the Pontifical Council on Justice and Peace.
About 60 delegates adopted the declaration at the end of the seminar, including leading clerics from Indonesia, Uganda, Lebanon and Bosnia.
However, some influential Islamic leaders were absent, including Turkey's top cleric, who didn't even send a representative.
It remains to be seen whether the message from the scholars is repeated by imams in mosques across the Muslim world.
"Some of them are hopelessly out of touch on this," said Fazlun Khalid of the Britain-based Islamic Foundation for Ecology and Environmental Sciences, which organized the conference together with the Islamic Relief charity.
The declaration urged rich countries and oil-producing states to lead the way in phasing out greenhouse gas emissions "no later than the middle of the century." The burning of oil, coal and gas is the main source of such emissions.
Climate activists are calling for a zero emissions goal to be included in the Paris agreement but face resistance from major oil-producing countries, including in the Middle East. Last year a Saudi representative at U.N. climate talks in Lima told AP it's unrealistic to expect a phase-out of fossil fuels in the near term, given the rapidly growing energy demands in the developing world.
"It's not something that has great support in the Arab world," said Saleemul Huq of the International Institute of Environment and Development in London. "We are trying to move the needle in the other direction and persuade the Saudis that it is the right thing."
---
Ritter reported from Stockholm.
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New LED Technology Could Reduce Greenhouse Gas <a href="https://www.bing.com/search?q=emissions&amp;cvid=ca0ef38668c24fff9bbf018c8dae5c21&amp;FORM=ANAB01&amp;PC=HCTS">Emissions</a>. Highly efficient, light-emitting diodes -- LEDs -- could slash the world's electricity consumption. They are already sold in stores, but more widespread adoption of the <a href="http://www.earth.com/news/new-technology-transforms-paper-into-an-electronic-device/">technology</a> has been hindered by high costs due to limited availability of raw materials and difficulties in achieving acceptable light quality. But researchers will report today that they have overcome these obstacles and have developed a less expensive, more sustainable white LED.

The scientists will discuss their research at the 250th National Meeting &amp; Exposition of the American Chemical Society (ACS). ACS is the world's largest scientific society. The national meeting, which takes place here through Thursday, features more than 9,000 presentations on a wide range of science topics.New LED Technology Could Reduce Greenhouse Gas Emissions

"If more people in the U.S. used LEDs in their homes and businesses, the country's electricity consumption could be cut in half," says Zhichao Hu, Ph.D., a member of the Rutgers University team that performed the research under the direction of Jing Li, Ph.D. At that time, he was a graduate student. He is now a postdoc at Rutgers and is studying the recovery of rare-earth elements there. Zhichao adds that studies show substituting one LED light for a common incandescent light bulb in every American household could save the nation $700 million annually in energy costs.

To achieve the common, soft white light that consumers expect, current LED technologies typically use a single semiconductor chip to produce light, usually blue, and then rely on a yellow-emitting "phosphor" coating to shift the color to white. That's because LEDs do not emit a white light. The phosphor is made from materials, such as cerium-doped yttrium aluminum garnet, that are composed of rare-earth elements. These elements are expensive and in limited supply, since they are primarily available only from mining operations outside the U.S. Additionally, the light output of these phosphors tends to be harsh, "cold" colors.

Li's team is developing hybrid phosphor-based technologies that are much more sustainable, efficient and low-cost. They combine common, earth-abundant metals with organic luminescent molecules to produce phosphors that emit a controllable white light from LEDs. By varying the metal and organic components, the researchers can systematically tune the color of the phosphors to regions of the visible light spectrum that are most acceptable to the human eye, Hu and Li note. The team is continuing to experiment and develop other rare-earth-free LED phosphors based on different metals and organic compounds.

Many material combinations are possible, so they use a computational approach to initially sort through the possibilities and to predict what color of light the various metals and organics combinations will emit. They then test the best combinations experimentally.

Their approach allows a systematic fine tuning of band gaps and optical emissions that cover the entire visible range, including yellow and white colors. As a result, their LEDs can be fine-tuned to create a warmer white light, similar to cheaper but inefficient incandescent lights. Their approach shows significant promise for use in general lighting applications.

"One of challenges we had to overcome was to figure out the right conditions to synthesize the compound," Hu notes. "Like cooking, the synthesis requires a 'recipe.' It's often not the case that one can simply mix the starting materials together and get the desired product. We optimized the reaction conditions -- temperature and the addition of a solvent -- and developed an easy procedure to make the compound with high yield."

Experiments with some materials have shown that the team's technology can cut LED costs by as much as 90 percent from current methods that rely on rare-earth elements. They have several granted and pending U.S. patents and are exploring manufacturing possibilities.

---

<a href="http://www.acs.org" target="_blank" rel="noopener noreferrer">American Chemical Society</a>

New LED Technology Could Reduce Greenhouse Gas Emissions

New LED Technology Could Reduce Greenhouse Gas Emissions. Highly efficient,...

Poll: Few Catholics Know Pope's Stance On Curbing Climate Change. A new survey has found fewer than half of U.S. Roman Catholics said they knew of Pope Francis' bombshell encyclical on curbing climate change - and only a fraction of those heard about it from the pulpit - in the month after he released the document with an unprecedented call for the church to take up his message.
Forty percent of American Catholics and 31 percent of all adults said they were aware of the encyclical, according to the poll by The Associated Press-NORC Center for Public Affairs Research and Yale University. Among Catholics who knew about the document, just 23 percent said they heard about it at Mass.Poll: Few Catholics Know Pope's Stance On Curbing Climate Change
The survey, conducted July 17-19, provides an early measure of the impact of the encyclical in the U.S., where Francis is expected to press his teaching on the environment in his first visit to the country next month.
The U.S. is home to some of the staunchest objectors to mainstream science on climate change and to government intervention aimed at easing global warming, along with a segment of Catholics who think the pope should be talking far more about marriage and abortion than the environment.
In the encyclical, released June 18, Francis called global warming a largely manmade problem driven by overconsumption, a "structurally perverse" world economic system and an unfettered pursuit of profit that exploited the poor and risked turning the Earth into an "immense pile of filth." He urged people of all faiths and no faith to save God's creation for future generations.
Environmental advocates hoped the encyclical would transform public discussion of climate change from a scientific to a moral issue. But Catholics in the survey were not significantly more likely than Americans in general to think of global warming in moral terms. Just 43 percent of Catholics and 39 percent of all adults said they considered global warming a moral issue. A very small percentage viewed climate change as having a connection to religion or poverty.
"That's unfortunate," said Dan Misleh, executive director of the Catholic Climate Covenant, which works closely with the U.S. bishops on environmental protection and has distributed model sermons and parish bulletin inserts on the encyclical. "There's a clear human impact. That's going to be our challenge - to explain that this environmental question is really a human thriving question."
The document had a rollout unlike any other. The encyclical was introduced at the Vatican by a secular climate scientist and a top Orthodox Christian leader, with simultaneous news conferences by Catholic leaders in many countries and the chiming of church bells for emphasis. Francis underscored the importance of the document by sending it to the world's bishops with a handwritten note.
But questions arose about whether American bishops and parishioners would embrace the message with any enthusiasm. While the bishops for decades have issued statements calling environmental protection a religious duty for Catholics, the issue has not been atop their public agenda.
For years, the U.S. Conference of Catholic Bishops has focused its resources on upholding marriage as the union of a man and a woman, seeking religious exemptions from laws the bishops consider immoral, fighting abortion and clergy sex abuse, and bringing back fallen-away Catholics.
This summer, bishops in Iowa, Illinois and Ohio have held news conferences on the encyclical, urging political leaders to take up the pope's call for bold leadership and pledging to reduce carbon emissions or water and power usage in their own dioceses.
In California, the Diocese of Orange held an Aug. 8 conference on the theology of the encyclical and the science of climate change, drawing 450 attendees and an additional 500 viewers via livestream, a spokesman said. And Miami Archbishop Thomas Wenski, the U.S. bishops' point person on the environment, has cited the encyclical in expressing support for President Barack Obama's clean power plant rules announced this month.
But Terry Majewski, 67, a Pensacola, Florida, resident who said he attends Mass weekly, said he has heard no preaching about the encyclical at his local church. He's glad he hasn't. Majewski thinks highly of the pope, but disagrees with his position on global warming and wishes the pontiff hadn't taken up the issue. In the survey, about two-thirds of Catholics said it was appropriate for Francis to take a position on global warming, and 55 percent of all adults agreed.
"He can talk about his own belief, but don't sit there and bring it down on the church," Majewski said, adding Francis should talk about "things that relate to religion, not climate change."
At St. Camillus Catholic Church in Silver Spring, Maryland, last weekend, about 1,000 of the estimated 4,800 people who usually attend Masses there signed a petition urging immediate action to curb carbon emissions, said the Rev. Jacek Orzechowski. He said it was a sign that interest in the pope's statement and in climate change is "percolating" among Catholics, despite the survey findings.
"I think it's beginning to take root within the parishes within the archdiocese," Orzechowski said. "One can be dissatisfied it has not produced more fruit, but the seeds are germinating."
Francis is widely expected to reiterate his plea for bold policy measures on global warming when he travels to the U.S., where he will address a joint meeting of Congress on Sept. 24 and the U.N. General Assembly the next day.
Climate change activists had hoped Francis' rock-star popularity would amplify his views. But a recent Gallup poll found double-digit drops in his favorability, fueled mainly by conservatives who think he has gone too far with his reforms and statements, and liberals who believe he hasn't gone far enough.
The AP-NORC poll found 62 percent of Catholics and 39 percent of Americans overall had a somewhat or very favorable view of Francis. One-third of Catholics and nearly half of all adults said they didn't know enough about the pope to form an opinion.
In the survey, Catholics held views of global warming in line with the general public. About three-quarters of Catholics and 69 percent of all adults said global warming is happening. About half of both groups say climate change is mostly or entirely man-made, while 46 percent of Catholics and 38 percent of all adults blame a mix of human activity and natural changes in the environment.
The AP-NORC poll of 1,030 adults was conducted using a sample drawn from NORC's probability-based AmeriSpeak panel, which is designed to be representative of the U.S. population. The margin of sampling error for all respondents is plus or minus 4.4 percentage points, and larger for subgroups. Respondents were first selected randomly using address-based sampling methods, and later interviewed online. People selected for AmeriSpeak who didn't otherwise have access to the Internet were interviewed over the phone.
----
AP News Survey Specialist Emily Swanson reported from Washington. AP Religion Writer Rachel Zoll reported from New York.
---
Online:
AP-NORC Center: <a href="http://www.apnorc.org/" target="_blank" rel="noopener noreferrer">http://www.apnorc.org/</a>
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Poll: Few Catholics Know Pope's Stance On Curbing Climate Change

Poll: Few Catholics Know Pope's Stance On Curbing Climate Change....

Warming Temperatures Are Forcing Eastern Brook Trout To Relocate. When trying to explain the potential effects of climate change on plants, fish and wildlife, scientists usually resort to language that fails to convey the impact of warming. Now, a study by Penn State's College of <a href="http://www.earth.com/news/climate-smart-agricultural-practices-will-boost-global-food-security/">Agricultural</a> Sciences fisheries researchers clearly explains the impact of projected warming waters on wild brook trout in the eastern U.S. for fishermen.

The eastern brook trout is a socially and economically important fish that occurs in small cold water streams and lakes, and self-sustaining populations support angling throughout the Appalachian Mountains, from Maine to Georgia. However, warming air temperatures are expected to reduce available cold-water habitat and result in a smaller brook trout distribution and fewer angling opportunities.Warming Temperatures Are Forcing Eastern Brook Trout To Relocate

Building on recent research at Penn State, Tyler Wagner, adjunct professor of fisheries and Tyrell DeWeber, now a postdoctoral scholar at <a href="https://www.bing.com/search?q=oregon&amp;cvid=593c3a59910343438ec4024e80ddd9c7&amp;FORM=ANAB01&amp;PC=HCTS">Oregon</a> State University, used two models they previously developed, one predicting stream temperature and one predicting where brook trout might occur, to identify streams likely to support wild brook trout under current and future climate scenarios.

The researchers then calculated the distance required to drive from the centers of 23 cities spread throughout the eastern brook trout range to the 10 nearest stream segments likely to have wild brook trout under current and future conditions. They published their study in a recent issue of Fisheries.

"Climate change is expected to result in widespread changes in species distributions for freshwater fish species. Although anglers and other resource users could be greatly affected by these predicted changes, changes are rarely reported in ways that can be easily understood by the general public," said Wagner, who is assistant unit leader of the Pennsylvania Cooperative Fish and Wildlife Research Unit at Penn State.

The effects of climate change on fish and wildlife are usually reported to the general public using summary metrics or maps designed to communicate concepts that are not normally encountered in everyday life, including changes in habitat suitability, range shifts, or increasing risks from disease or extreme events, according to Wagner. "Though these metrics are necessary, meaningful, and understood by scientists, many people lack the necessary training and background to readily understand them."

"Further, scientists and nonscientists alike may struggle to convert these metrics into a currency that directly affects day-to-day life. Climate science is a complex issue, and when we communicate potential responses of vegetation, fish and wildlife to nonscientists, creative thinking with respect to the currency of communication will facilitate discussions between scientists, policy makers and the public."

DeWeber, who was a doctoral student at Penn State when the research was conducted, noted that travel costs based on distance have been widely used to value ecosystem services such as angling under climate-change scenarios, but have not been used for communicating potential changes to the public, despite the intrinsic link to everyday life.

"Under current conditions, brook trout are predicted to occur in streams throughout the region, and average driving distances from cities to the nearest streams predicted to offer angling opportunities ranged from 4 to 87 miles. As a result of projected warming, driving distance to go fishing for wild brook trout was predicted to increase, on average, by almost 164 miles over the next 70 to 80 years."

For example, the driving route from Philadelphia to the nearest brook trout stream was predicted to cover 249 miles in a warmer future, much longer than the current 48 miles.

The lengths of trips from many northern cities, such as Bangor, Maine, were predicted to increase but were still relatively short in the future because nearby streams were still predicted to support brook trout under warmer conditions.

In contrast, anglers in southern cities, such as Cleveland, Tennessee, would experience dramatic increases in the lengths of trips because brook trout are predicted to be lost in surrounding areas.

Although anglers tend to be very dedicated, DeWeber pointed out, it is unlikely that many would drive great distances to fish very often due to cost, especially if those last remaining streams become popular and crowded. He believes that losses of wild brook trout populations and increased trip lengths would likely result in reduced resource use in many areas.

But he suggested that people are unlikely to be concerned about the potential effects of warming if they do not understand what may be coming. "Communicating species responses to climate change in everyday language could greatly increase the ability of resource users and other members of the general public to understand and relate to predicted changes," he said. "A clear understanding of potential changes might not lead to greater societal concern about species' responses, but it may enable people to make informed decisions."

---

<a href="http://www.psu.edu" target="_blank" rel="noopener noreferrer">Penn State University</a>

Warming Temperatures Are Forcing Eastern Brook Trout To Relocate

Warming Temperatures Are Forcing Eastern Brook Trout To Relocate. When...

Interior Department To Lead Colorado Mine Spill Review. The Interior Department will lead a review of the <a href="https://www.bing.com/search?q=colorado&amp;cvid=2a072e02bca945a7a681774df944f71f&amp;FORM=ANAB01&amp;PC=HCTS">Colorado</a> mine spill that tainted rivers in three western states.
The review was announced late Tuesday after elected officials from both parties questioned whether the Environmental Protection Agency should be left to probe its own heavily criticized response to the disaster. EPA and contract workers accidentally unleashed 3 million gallons of contaminated wastewater on Aug. 5 as they inspected the idled Gold King mine. Interior Department To Lead Colorado Mine Spill Review
The Interior Department's report is expected to be released publicly in 60 days.
In addition, EPA's inspector general is conducting a separate review. Leaders of oversight committees in both the House and Senate say they are planning hearings after Congress returns from its August recess.
All six senators from the three states involved - Colorado, <a href="http://www.earth.com/news/carlsbad-caverns-new-mexico/">New Mexico</a> and Utah - wrote EPA Inspector General Arthur Elkins on Wednesday asking him to look into more than a dozen questions, including details of the work being done when the spill occurred and the qualifications of the on-scene crew.
The senators also asked what laws and policies govern the EPA's communications with state, local and tribal governments after such an incident and whether the agency met those requirements.
Numerous local officials have complained the EPA was slow to notify them. The senators asked whether the time lapse created any health hazards or delayed the response.
New Mexico Gov. Susana Martinez on Wednesday called for her state's environment department to launch its own investigation. Aside from what led up to the spill, she said the investigation will examine how residents, businesses and communities along the rivers were notified in the aftermath of the spill.
"New Mexicans deserve answers as to why this catastrophe happened and why the EPA failed to notify us in a timely manner," she said, adding that the federal agency has hounded private citizens and businesses for doing far less.
Utah Attorney General Sean Reyes toured the site of the spill Wednesday and said he's weighing possible legal action if the EPA's proposal to fix the damage in his state falls short.
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Interior Department To Lead Colorado Mine Spill Review

Interior Department To Lead Colorado Mine Spill Review. The Interior...

Interior Department To Lead Colorado Mine Spill Review. The Interior Department will lead a review of the Colorado mine spill that tainted rivers in three western states.
The review was announced late Tuesday after elected officials from both parties questioned whether the Environmental Protection Agency should be left to probe its own heavily criticized response to the disaster. <a href="https://www.bing.com/search?q=EPA&amp;cvid=5304c1da9e384c4e860b09198343f57c&amp;FORM=ANAB01&amp;PC=HCTS">EPA</a> and contract workers accidentally unleashed 3 million gallons of contaminated wastewater on Aug. 5 as they inspected the idled Gold King mine. Interior Department To Lead Colorado<a href="http://www.earth.com/news/the-antidepressant-fluvoxamine-may-prevent-severe-covid-19-infection/"> Mine</a> Spill Review
The Interior Department's report is expected to be released publicly in 60 days.
In addition, EPA's inspector general is conducting a separate review. Leaders of oversight committees in both the House and Senate say they are planning hearings after Congress returns from its August recess.
All six senators from the three states involved - Colorado, New Mexico and Utah - wrote EPA Inspector General Arthur Elkins on Wednesday asking him to look into more than a dozen questions, including details of the work being done when the spill occurred and the qualifications of the on-scene crew.
The senators also asked what laws and policies govern the EPA's communications with state, local and tribal governments after such an incident and whether the agency met those requirements.
Numerous local officials have complained the EPA was slow to notify them. The senators asked whether the time lapse created any health hazards or delayed the response.
New Mexico Gov. Susana Martinez on Wednesday called for her state's environment department to launch its own investigation. Aside from what led up to the spill, she said the investigation will examine how residents, businesses and communities along the rivers were notified in the aftermath of the spill.
"New Mexicans deserve answers as to why this catastrophe happened and why the EPA failed to notify us in a timely manner," she said, adding that the federal agency has hounded private citizens and businesses for doing far less.
Utah Attorney General Sean Reyes toured the site of the spill Wednesday and said he's weighing possible legal action if the EPA's proposal to fix the damage in his state falls short.
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Nushagak Bay, a large estuary in southwest Alaska. Nushagak runs mainly north to south and exits in Bristol Bay, a large body of water in the Bering Sea.



"The bay is primarily fed by the Nushagak River, which begins in the Alaska Range and flows southwest approximately 450 km. The bay is also fed by several additional rivers including the Wood, Igushik, Snake and Weary rivers," says ESA.



"The dark colors of the Nushagak River are most likely due to tannins or lignins (chemical substances found in plants). Tannins and lignins from roots, leaves, seeds, bark and soil can leach into the water and give it a brown or even black colour. The sediments then flow southwards where it is mixed with the bluer waters of the bay."



Video/ Image Credit: ESA



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By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Nushagak Bay in southwest Alaska

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Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> (ACS) reveals that proteins on flu viruses are actually flexible, tilting and waving in a “breath-like” motion. According to the experts, these proteins could be used to better defend against the flu.



"The main antigenic targets of influenza virus are two surface glycoproteins, hemagglutinin (HA) and neuraminidase (NA). Whereas the structural and dynamical properties of both glycoproteins have been studied previously, the understanding of their plasticity in the whole-virion context is fragmented," wrote the researchers.



To investigate, the team conducted detailed simulations of the influenza A H1N1 virion, or the swine flu. The experts concluded that the visualizations show many new vulnerable states of flu viruses, which could improve future vaccines and antiviral drugs.



Video/ Image Credit: American Chemical Society&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Flu viruses are more flexible than expected

[sendtonews key="G9bUoxcjr4-2511624-12187" type="single"] Today's Video of the Day from the...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Lake Trasimeno, which is located west of Perugia in central Italy. It is the fourth largest lake in the country. While Trasimeno’s water level varies, it has a maximum depth of approximately six meters.&nbsp;



"In this Copernicus Sentinel-2 image, captured on 6 August 2022, the lake’s emerald green colour is likely due to the presence of phytoplankton. Streaks in the water, particularly visible in the west, indicate the presence of soil and sediments which have been stirred up by winds. Dark colored waters in the southern part of the lake indicate a presence of submerged and floating macrophytes (aquatic plants) as well as algae," says ESA.



"Surrounded by hills on three sides, Trasimeno is subject to heavy storms created by winds, especially from the north and west. There are three islets in the lake: Maggiore, Minore and Polvese (the largest). The lake’s shores are sparsely inhabited with only two popular villages: Castiglione del Lago and Passignano sul Trasimeno."



"Italy is experiencing its worst drought in 70 years which has affected drinking water supplies, hydroelectric power and agricultural production. High temperatures, hot winds and lack of rainfall are the main causes of drought in the Umbrian region which saw Lake Trasimeno’s drop 1.3 m, reaching the limit of the hydrometric zero in July 2022."



Video/Image Credit: ESA&nbsp;



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By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Lake Trasimeno in Central Italy

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Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> describes a new self-powered nanosensor that can instantly detect mercury contamination with the tap of a finger.&nbsp;



The oxidized form of mercury can be harmful when it is ingested through contaminated water or food. This makes it necessary for experts to develop sensors that can quickly and accurately detect the presence of mercury.&nbsp;



Zong-Hong Lin and colleagues have now created a triboelectric nanosensor (TENS) that can detect mercury by simply by touching a sample. According to the researchers, their TENS could serve as the basis for similar devices to safely and remotely monitor other pollutants.



Video Credit: American Chemical Society&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Detecting mercury contamination with the tap of a finger

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Kainji Lake, a reservoir on the Niger River.



In 1968, Kainji Lake was created by the construction of the Kainji Dam. The Niger River, the third longest in Africa, enters the lake in the north.&nbsp;



According to <a href="https://www.earth.com/news/rivers-in-the-american-west-are-a-lifesaving-resource-for-birds/">ESA</a>, the creation of the lake submerged Foge Island and the town of Bussa and permanently flooded other riverine settlements, leaving around 50,000 people displaced.&nbsp;



Large parts of Foge Island are temporarily exposed during low water tides, and the land is often used by migrating fishermen. Kainji Dam is a dam across the Niger River in Niger State of Central Nigeria. 



Wild mammals occur at relatively low densities due to illegal hunting. Lake Kainji has suffered a dramatic decline as a fishery due to the high numbers of artisanal and subsistence fisherfolk using the lake. It has been suggested that a period of closure, together with controlled fishing rights may help improve fish stocks.



Kainji Lake National Park is the oldest of its kind in Nigeria. The park contains three distinct areas: a part of the Kainji Lake, the Borgu Game Reserve to the west of the lake, and the Zugurma Game Reserve to the southeast. The park is home to around 65 mammal species, 350 bird species, and 30 species of reptiles and amphibians. 



Video/ Image Credit: European Space Agency&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Kainji Lake in north central Nigeria

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Today’s Video of the Day from <a href="https://www.igb.illinois.edu/">Carl R. Woese Institute for Genomic Biology</a> reveals how scientists can modify common crops like soybean, rice, and wheat to protect them from heat stress.



“We need to double crop production by 2050 to feed a growing global population, and not only are we not on track to do that, but climate change is further complicating things,” said Amanda Cavanagh, a lecturer at the University of Essex. 



The study is part of Realizing Increased Photosynthetic Efficiency (RIPE), an international research project that aims to develop food crops that turn the sun’s energy into food more efficiently.



“Using an engineering approach we designed multiple alternative metabolic pathways to photorespiration. Testing them in the field showed increases in productivity which led Amanda to significantly move the project forward by showing our engineered plants can withstand pretty extreme temperature stress,” said study co-author and RIPE researcher Paul South.&nbsp;



“As the climate changes and temperature stresses increase the pressure on our global food supply, farmers will need every tool available including engineering approaches like the synthetic biology used here to maintain safe and productive harvests.”



The experts tested plants modified to have more efficient photorespiration to see if they were better adapted to warmer temperatures.&nbsp;



The team found that the engineered plants produced 26 percent more biomass than the wild-type plants exposed to the same temperatures, and had 15 percent less yield loss under the higher temperatures.



Video Credit: Amanda Nguyen/University of Illinois



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Designing crops that can beat the heat

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Today’s Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> explores the ability of salt to transform the way that foods and beverages taste. Salt is known to cover up undesirable flavors, such as bitterness in coffee or beer, but how exactly does sodium chloride change the taste of other compounds?



One previous study showed that, not only does salt suppress bitterness, but also enhances sweetness and sourness. Another study revealed that bitterness reduction by salt seems to be happening at the tongue receptor level as well as in the brain.&nbsp;



While it is known that salt taste is mediated by the presence of sodium channels in the form of taste buds, experts believe that there is also an unknown receptor responsible for how we taste salt that has not yet been identified.&nbsp;



Video Credit: ACS Reactions



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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How does salt makes things taste better?

[sendtonews key="X0f6OHYoI4-2310561-12187" type="single"] Today’s Video of the Day from the...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Santiago, the capital city of Chile. The city is located in the center of the Santiago Metropolitan Region, which has a population of about eight million people.&nbsp;



'The weather of Santiago resembles the Mediterranean climate with dry and warm summers with temperatures reaching up to 35°C (from October to March) and cool and humid winters that can drop to 0°C (from April to September)."



"The city lies in the centre of the country’s central valley around 80 km from the Pacific Ocean to the west and borders Argentina to the east. A tiny part of Argentina is visible in the top-right corner of the image where the mountain crest of the Andes Mountains acts as a divider between the two countries," says ESA.



Video/ Image Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Santiago, Chile in South America

[sendtonews key="JRaP49ISmm-2357509-12187" type="single"] Today’s Video of the Day from the...

Spiral,Galaxy,,Illustration,Of,Milky,Way

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Astronomers at <a href="https://www.jhu.edu/">Johns Hopkins University</a> have created an interactive map of the universe, including the actual position and real colors of 200,000 galaxies. The map allows the public to access data that was previously only available to scientists.



The map was developed using data collected by the Sloan Digital Sky Survey. For over two decades, a telescope in New Mexico was aimed at slightly different locations to capture the night sky.&nbsp;



"Growing up I was very inspired by astronomy pictures, stars, nebulae and galaxies, and now it's our time to create a new type of picture to inspire people," said map creator Brice Ménard, a professor at Johns Hopkins. "Astrophysicists around the world have been analyzing this data for years, leading to thousands of scientific papers and discoveries. But nobody took the time to create a map that is beautiful, scientifically accurate, and accessible to people who are not scientists. Our goal here is to show everybody what the universe really looks like."



"In this map, we are just a speck at the very bottom, just one pixel. And when I say we, I mean our galaxy, the Milky Way which has billions of stars and planets. We are used to seeing astronomical pictures showing one galaxy here, one galaxy there or perhaps a group of galaxies. But what this map shows is a very, very different scale."



"From this speck at the bottom, we are able to map out galaxies across the entire universe, and that says something about the power of science."



The <a href="https://mapoftheuniverse.net/">interactive map</a> is available online, where it can be downloaded for free.



Video Credit: Johns Hopkins&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Interactive map of the universe includes 200,000 galaxies

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes the first comprehensive estimate of carbon density in the Saharan, Sahel, and Sudanian zones of Africa. In an effort to measure the amount of carbon stored across these drylands, a team of scientists used high-resolution satellite images and artificial intelligence to map nearly 10 billion individual trees. 



"The high spatial resolution (50 cm) combined with AI and field measurements used in this study is key to improving tree inventories in drylands," said Pierre Hiernaux, a French researcher working for NASA. "The ever-increasing availability of very high-resolution satellite imagery will make it possible to assess carbon pools and their dynamics at the individual tree level on a global scale."



"This study is exceptional because it is pioneering a type of approach that will revolutionize the monitoring of trees and forests on a global scale: in the short term, it will be possible to map the world's trees from the centre of the Amazon to our schoolyards," said <a href="https://www.inrae.fr/en">INRAE</a> researcher Jean-Pierre Wigneron.



"Many fields of application will become much more efficient and accurate, such as tracking carbon stocks, biodiversity, monitoring logging and protection against illegal forest degradation, in near real time.”



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Remote sensing will revolutionize the way we monitor trees

[sendtonews key="EjmSP20gQK-2593093-12187" type="single"] Today's Video of the Day from NASA...

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Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Dublin, the capital and largest city of Ireland. Beyond its pub culture, Dublin is known as a modern culinary destination and a UNESCO City of Literature.



"Dublin is located near the midpoint of Ireland’s east coast in the province of Leinster. The city, which covers an area of around 115 square kilometers, is bordered by the Dublin Mountains, a low mountain range to the south, and is surrounded by flat farmland to the north and west," says ESA.



"The city straddles the River Liffey, which rises in the Wicklow Mountains and flows around 80 kilometers eastwards through the city of Dublin, in which it is canalised and bordered with quays. It then empties into Dublin Bay, an arm of the Irish Sea."



Dublin has an abundance of green spaces, including one of the largest enclosed public parks in any European capital city. Phoenix Park, which was originally formed as a royal hunting park in the 1660s, includes 707 hectares of green space.



Video Credit: ESA&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The city of Dublin on Ireland's east coast

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Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the province of Zaragoza in northeast Spain. The image was captured by the Copernicus Sentinel-2 mission.



"Together with the provinces of Huesca and Teruel, Zaragoza formed the old kingdom of Aragon. Its capital, also called Zaragoza (not visible in this image) is home to around half of Aragon’s population," says ESA.



"The Ebro River can be seen winding its way through the province from west to east in this image. Between its source in the Cantabrian Mountains in the northwest and its delta on the Mediterranean coast, the Ebro River is fed by more than 200 tributaries as it flows 910 km across much of northern Spain."



Since rainfall is very scarce in this region, irrigation in the Ebro basin is critically important. In the valleys surrounding the Ebro River, many fields are used for growing crops such as corn, wheat, and barley.



Video/ Image Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The province of Zaragoza in northeast Spain

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> features a visual dataset of.methane emissions from wetlands across the globe. Atmospheric methane levels have reached record highs in recent years, and wetlands are a major source of these emissions.&nbsp;



"Methane is an important greenhouse gas that contributes substantially to global warming. On a molecule by molecule basis, methane is much more efficient at trapping heat than carbon dioxide, the main driver of warming," says NASA.



"Though human activities, including agriculture, oil and natural gas production and use, and waste disposal, collectively contribute the majority of methane to the atmosphere, about a third of total methane emissions comes from wetlands."&nbsp;



According to NASA, understanding methane emissions from wetlands and other natural sources is critically important for scientists and policymakers who are working to combat climate change by reducing emissions from human activities.



Video Credit: NASA Goddard



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Wetlands are a major source of methane emissions

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Today’s Video of the Day from <a href="https://earthobservatory.nasa.gov/">NASA Earth Observatory</a> reveals the evolution of the Columbia Glacier in southeastern Alaska. Columbia is among the fastest shrinking glaciers in the world, and the video documents its rapid retreat over the years.&nbsp;



Columbia Glacier is a large, multi-branched calving glacier that flows out of the Chugach Mountains to the Prince William Sound.&nbsp;



According to USGS, Columbia had a long history of stability prior to 1980, with a length 41 miles, and small, short-lived advances or retreats.



In the years since 1980, however, satellite images have captured Columbia’s alarming retreat. By using false-color images, scientists can distinguish between snow and ice, open water, vegetation, and rocky debris on the glacier’s surface.



The series of false-color images featured in today's video were acquired over the span of 35 years. You can see that by 2021, the glacier’s main branch had retreated about 15 miles from its initial position.



The Columbia Glacier has also lost more than 50 percent of its volume, mostly due to calving. <a href="https://www.earth.com/video/nasa-reveals-3d-visual-of-an-atmospheric-river/">NASA</a> reports that while climate change likely started the retreat, mechanical processes kept the disintegration going.



The NASA images are provided by Jesse Allen, Robert Simmon, Joshua Stevens, and Lauren Dauphin using data from Landsat satellites, from the U.S. Geological Survey, and data from MODIS on NASA’s Terra satellite. The structure of Columbia’s moraine played a large role in the stability of the glacier before 1980. 



Like other tidewater glaciers, the Columbia built up a moraine over time, and the mixture of ice and rock functioned like a dam keeping out the sea. It was supported on one end by the shoreline and by the underwater terminal moraine at the other.



Video Credit: NASA Earth Observatory/&nbsp; NASA’s Scientific Visualization Studio



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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The rapid retreat of the Columbia Glacier

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the Pyrenees Mountains, which form a natural boundary between France and Spain in southwest Europe.



The mountain range is 430 kilometers in length. It stretches from the Mediterranean Sea on the east to the Atlantic Ocean on the west.



At an elevation of 3404 meters, Pico de Aneto is the highest mountain peak in the Pyrenees, and the third-highest peak in Spain. Pico de Aneto is located in the Posets-Maladeta Natural Park, which spans more than 82,000 acres.&nbsp;



"Geological studies have revealed that the Pyrenees Mountains have been around for longer than the Alps, with their sediments first deposited in coastal basins during the Paleozoic and Mesozoic eras," reports ESA.



"The entire mountain range formed due to the upwelling of large sedimentary rocks by the collision of the Iberian and the Eurasian plate around 100 to 150 million years ago, followed by intense erosion from ice and water."



The western Pyrenees receive more precipitation due to moisture blowing in from the Atlantic Ocean. The mountain range contains many lakes, several small glaciers, and some of the highest waterfalls in Europe.



Video &amp; Image Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The Pyrenees Mountains in southwest Europe

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Today’s Video of the Day from <a href="https://www.stowers.org/">Stowers Institute for Medical Research</a> describes why experts are studying zebrafish to gain a better understanding of how the immune system responds to injury. Zebrafish have the ability to repair and regenerate organs.



“Organ regeneration offers an exciting opportunity for studying the immune system and to inquire why some species can regenerate organs like the heart or missing limbs while others like humans cannot,” explained Dr. Tatjana Piotrowski.



Zebrafish sensory organ hair cells are an ideal system to investigate the pathways and cell types involved in regeneration since they are easily destroyed with antibiotics and begin regenerating within five hours. This enabled the researchers to identify the exact timing and genetic programs for each anti-inflammatory macrophage activation state.&nbsp;



“Our hypothesis is that human macrophages do not receive the proper chemical activation 'cocktail' to instruct pro-regenerative processes,” said Dr. Nicolas Denans. “Identifying the molecular recipe of macrophage activation in zebrafish may one day enable us to design regenerative immunotherapies in humans.”&nbsp;&nbsp;&nbsp;



“The new evidence is a valuable resource for comparative studies on the genetic programs involved in macrophage-mediated repair and regeneration. In other words, different types of injuries may induce different kinds of inflammatory responses. We want to decipher whether this 'language' is universal or if there are a variety of dialects."



Video Credit: Stowers Institute for Medical Research&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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How the immune system responds to injury

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes how record-breaking heat expressed itself around the world in 2022.



Scientists have determined that 2022 was the 5th warmest year since 1880. Furthermore, the last nine consecutive years have been the warmest on record.



From devastating floods and wildfires to natural disasters like Hurricane Ian, 2022 showed us yet again how a warming climate affects people across the globe.&nbsp;



"As we look back at 20:22 and years past, we see that each year we better understand the challenges we face and how important it is to meet them," says NASA.



Video/ Image Credit: NASA Goddard



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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2022 illustrated the consequences of a warming climate

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Earth,Like,Exoplanet,3d,Render

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes two exoplanets that are orbiting a star 218 light-years away. A team of researchers led by the University of Montreal has found evidence that these planets are "water worlds."



The experts used data from NASA’s Hubble and Spitzer Space Telescopes. They discovered that exoplanets Kepler-138 c and Kepler-138 could be composed largely of water.



"We previously thought that planets that were a bit larger than Earth were big balls of metal and rock, like scaled-up versions of Earth, and that's why we called them super-Earths," explained study co-author Björn Benneke.&nbsp;



"However, we have now shown that these two planets, Kepler-138 c and d, are quite different in nature and that a big fraction of their entire volume is likely composed of water. It is the best evidence yet for water worlds, a type of planet that was theorized by astronomers to exist for a long time."



Video Credit: NASA Goddard



Image Credit: NASA, ESA, and Leah Hustak (STScI)



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Two distant planets may be "water worlds"

[sendtonews key="QIoVYJqRBi-2434608-12187" type="single"] Today's Video of the Day from NASA...

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Satellites reveal how Earth's systems are interconnected Today’s Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes Earth’s interconnected systems, and how this network is affected by rising temperatures.&nbsp;



During 2020, average global temperatures matched the hottest year on record. The hurricane season was also record-breaking, with many of the storms intensifying at extraordinary speeds. Hot water in the ocean is fuel for hurricanes. The satellite data shows that it's all one interconnected system showing how Satellites reveal how Earth's systems are interconnected.



According to NASA, dust swept up from Northern Africa plays a major role in the formation of hurricanes, and is also a key source of fertilization in the Amazon rainforest. As a result of<a href="https://www.earth.com/news/seagrass-wasting-disease-is-fueled-by-climate-change/"> climate</a> change, dust plumes are expected to decline, which will have an effect on vegetation far away.&nbsp;



Images from Earth-observing satellites show how the world’s plant life is affected by natural disasters, fires, and deforestation. Satellites also reveal how widespread changes in vegetation impact waterways,&nbsp; the climate, air quality. Satellites communicate by using radio waves to send signals to the antennas on the Earth. "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. 



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Satellites reveal how Earth's systems are interconnected

[sendtonews key="JbW4VsY53O-1632195-12187" type="single"] Satellites reveal how Earth's systems are interconnected...

Today’s Video of the Day from the <a href="https://welcome.miami.edu/">University of Miami</a> Rosenstiel School of Marine and Atmospheric Science explores how changes in water temperatures have affected tiger shark habitats and movements in the North Atlantic Ocean. The study reveals that rising temperatures have caused the sharks to shift toward the poles over the past 40 years.



“Tiger shark annual migrations have expanded poleward, paralleling rising water temperatures,” explained study lead author Neil Hammerschlag. “These results have consequences for tiger shark conservation, since shifts in their movements outside of marine protected areas may leave them more vulnerable to commercial fishing.”



The researchers analyzed nine years of tracking data from satellite-tagged tiger sharks, combined with four decades of conventional tag and recapture data provided by National Oceanic and Atmospheric Administration (NOAA) Cooperative Shark Tagging Program.



The experts found that during the last decade of record heat, for every one-degree Celsius increase in water temperatures, tiger sharks migrated further poleward by over 400 kilometers. They also migrated two weeks earlier than usual to waters off the northeastern coast of the United States.



“Given their role as apex predators, these changes to tiger shark movements may alter predator-prey interactions, leading to ecological imbalances, and more frequent encounters with humans,” concluded Professor Hammerschlag.



Video Credit: University of Miami Rosenstiel School of Marine and Atmospheric Science



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Tiger sharks are shifting poleward as temperatures rise

Today’s Video of the Day from the University of Miami...