The world is rapidly investing in renewable energy to combat climate change. Solar panels, wind farms, and hydroelectric plants are spreading across landscapes once dominated by coal plants and oil rigs. 



These changes give the impression of an inevitable transition away from fossil fuels. Yet a new study from <a href="https://www.psu.edu" target="_blank" rel="noreferrer noopener">Penn State</a> suggests that this shift might not be as straightforward as it seems.



Professor Ryan Thombs, a rural sociology researcher, examined more than two decades of U.S. energy data. His findings challenge a common belief: that building more renewable energy <a href="https://www.earth.com/news/tapping-into-the-natural-power-of-plants-for-renewable-energy/" target="_blank" rel="noreferrer noopener">sources</a> will naturally lead to a decrease in fossil fuel production. 



The research, published in the Journal of Environmental Studies and Sciences, paints a more complex picture of energy use in the United States.



<h2 class="wp-block-heading" id="h-renewable-growth-and-fossil-fuel-use">Renewable growth and fossil fuel use</h2>



Thombs analyzed fuel production data from 33 U.S. states that produce fossil <a href="https://www.earth.com/news/earth-day-honors-success-in-clean-energy-and-wildlife-recovery/" target="_blank" rel="noreferrer noopener">fuels</a>. His dataset spanned from 1997 to 2020, covering coal, natural gas, crude oil, and various renewable sources including wind, solar, hydro, and biofuels. 



The United States, as the world’s second-largest energy producer and greenhouse gas emitter, offers a crucial case study for understanding global energy transitions.



When Thombs looked at how renewable energy production varied alongside fossil fuel output, he found no significant link. States that ramped up renewables didn’t necessarily reduce their fossil fuel production. 



This suggests that renewable growth alone does not push out fossil fuel use. Instead, the study shows that over 96% of the differences in fossil fuel production between states can be explained by fixed factors unique to each state.



These factors include the amount of fossil fuel deposits underground, the strength of local fossil fuel industries, and historical patterns of <a href="https://www.earth.com/news/global-warming-is-accelerating-beyond-control-as-co2-levels-rise/" target="_blank" rel="noreferrer noopener">energy development</a>. In short, geography and legacy infrastructure matter more than many policy assumptions suggest.



<h2 class="wp-block-heading" id="h-renewables-won-t-displace-fossil-fuels">Renewables won't displace fossil fuels</h2>



The disconnect between policy expectations and real-world outcomes is important. Many environmental strategies assume that increasing renewable energy will automatically shrink fossil fuel production. Thombs argues this assumption needs reevaluation.



“Policies could include ones that directly limit fossil fuel production through carbon taxes, setting production caps on fossil fuels and keeping fossil fuel <a href="https://www.earth.com/news/report-earth-is-headed-for-an-irreversible-climate-disaster/" target="_blank" rel="noreferrer noopener">reserves</a> in the ground,” he said.



Such policies would directly address fossil fuel use rather than relying on indirect market competition. Without these measures, fossil fuel-rich states may continue extracting oil, coal, and gas - even as they expand their renewable portfolios.



This is particularly true in states where both types of energy resources exist side by side. Instead of displacing fossil fuels, renewables may simply be added to the mix. This outcome weakens efforts to reduce greenhouse gas emissions and meet climate targets.



<h2 class="wp-block-heading" id="h-fossil-fuels-still-dominate-global-emissions">Fossil fuels still dominate global emissions</h2>



Climate science leaves little doubt about the consequences of continued fossil fuel use. According to the United Nations, fossil fuels are responsible for over 75% of global greenhouse gas emissions and nearly 90% of carbon dioxide emissions. 



Reducing reliance on these sources is essential for limiting global temperature rise and avoiding the most severe climate impacts.



In recent years, renewable energy has grown rapidly and now leads new energy generation projects in many parts of the world. This expansion creates a sense of momentum. 



Yet, Thombs’ research warns against overconfidence. He notes that assuming renewable growth alone can reduce fossil fuel use may result in weak or incomplete policies.



“However, many policies to this point assume that growth in renewable energy corresponds with a proportional decrease in fossil fuels,” he said. 



“If it doesn’t, then we may need to implement additional policies to reduce fossil fuel production directly rather than hope that deploying renewables will crowd out fossil fuels.”



<h2 class="wp-block-heading" id="h-renewables-fail-to-replace-fossil-fuels">Renewables fail to replace fossil fuels</h2>



To ensure that his conclusions held up, Thombs used three different statistical modeling techniques. He worked with state-level data on per capita production of both fossil fuels and renewables. This included geothermal, wind, solar thermal, photovoltaic, hydroelectric, biofuels, and waste-based sources.



Despite the diversity in energy types and methods of analysis, the results remained consistent. The growth of renewables did not correlate with a decline in fossil fuel output. 



The findings suggest that entrenched patterns of fossil fuel use won’t simply shift with market changes alone.



The study also indicates that states with large fossil fuel reserves have deeply rooted advantages in continuing extraction. These advantages, tied to geology and existing infrastructure, make it hard for renewables to replace fossil fuels unless laws or regulations intervene.



<h2 class="wp-block-heading" id="h-stronger-regulations-are-needed">Stronger regulations are needed</h2>



Thombs acknowledges the study has some boundaries. The analysis applies specifically to the U.S. and only covers the years from 1997 to 2020. 



Global energy dynamics or more recent data might produce different results. Still, the findings offer a useful starting point for thinking about energy policy in similar industrialized nations.



“It's possible that renewables will substitute fossil fuels as the broader political economy transforms, especially if state regulations are implemented,” he said. 



“However, the findings do demonstrate that any such transition will be hindered by the close proximity of renewable and fossil fuel resources in many fossil-fuel-dependent states.”



This dual presence of resources can trap states in a mixed-energy status. Without stronger policies that directly curb fossil fuel use, these states may maintain both systems rather than phasing one out.



<h2 class="wp-block-heading" id="h-implications-for-future-energy-strategies">Implications for future energy strategies</h2>



Thombs’ work points toward a broader conclusion: the U.S. needs a layered approach to energy transition. Investing in renewables remains important, but it cannot stand alone. Policymakers should also create legal and economic barriers to fossil fuel extraction if they want to see real change.



This could involve setting caps on fossil fuel production, taxing carbon emissions, or legally designating certain reserves to remain untapped. Each strategy comes with political and economic trade-offs, but the study suggests such moves are necessary.



The energy transition won’t happen just because renewables get cheaper or more abundant. Real reductions in fossil fuel use will likely depend on active decisions to limit their production. Only then can renewables take center stage - not just as additions, but as true replacements.



The study is published in the <a href="https://link.springer.com/article/10.1007/s13412-025-01013-8" target="_blank" rel="noreferrer noopener">Journal of Environmental Studies and Sciences</a>. 



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Renewables alone may not cut U.S. fossil fuel use

The world is rapidly investing in renewable energy to combat climate change. Solar panels, wind farms, and hydroelectric plants are spreading across landscapes once dominated by coal plants and oil rigs. These changes give the impression of an inevitable transition away from fossil fuels. Yet a new study from Penn State suggests that this shift might not be as straightforward as it seems. Professor Ryan Thombs, a rural sociology researcher, examined more than two decades of U.S. energy data. His findings challenge a common belief: that building...

Elevated heavy metal levels in <a href="https://www.earth.com/news/arctic-ocean-microplastics-originate-in-european-rivers/">rivers</a> can lead to higher levels of antibiotic resistance. This is the conclusion of new research from <a href="https://www.ncl.ac.uk/">Newcastle University</a> and the Indian Institute of Technology.



The scientists quantified antibiotic and metal resistance in sediments from the Ganges and Yamuna Rivers in India and streams in the River Tyne catchment.&nbsp;



River Tyne has high traces of heavy metals due to historic mining and industrial activity, and this is related to antibiotic resistance levels in the river. The same was found in areas of industrial activity across the Indian rivers.



The research team investigated the relationships between heavy metals concentrations, metal resistance gene (MRG) and antibiotic resistance gene (ARG) abundances. The experts found that MRG and ARG abundances increase where metal levels are higher. This suggests that metal pollution has increased antibiotic resistance, even when elevated antibiotics are not evident.



Metall pollution was also found to affect resident bacteria, with Firmicutes and Bacteroidota being the most abundant phyla at sites with high metal pollution. These bacteria are common in metal contaminated environments and are known to carry MRGs and ARGs in groups in “gene cassettes," which explains why metal exposures can cause antibiotic resistance.&nbsp;&nbsp;



The study identified metals that promote the strongest bacterial responses, and these include cobalt combined with nickel, and the combination of cobalt, zinc and cadmium.



“The work does not necessarily imply a health risk, but it shows that a river or stream without antibiotics pollution can still have elevated antibiotic resistance due to other pollutants, such as metals," said study co-author Professor David Graham. "However, in a river like the Yamuna, which has high metals in combination with many other pollutants, greater concerns about the spread of antibiotic resistance exist.”



High metal exposure can co-select antibiotic resistance in bacteria, with the potential to become resistant to many antibiotics.&nbsp;



“The impacts of heavy metals-induced antibiotic resistance get exacerbated when high metal levels are combined with other pollutants such as antibiotics, detergents, and other chemicals, highlighting the importance of reducing heavy metal pollution as part of One Health solutions for reducing ARG transmission and spread," said study lead author Dr. Sonia Gupta.



Antibiotic resistance is a global public health issue, with implications on the effective treatment of infections caused by bacteria, parasites, viruses and fungi. Antibiotic use selects for resistant bacterial strains in human and animal waste, which can be spread through wastewater. This can lead to antibiotic resistance spreading in bacteria across various natural ecosystems.&nbsp;



The research team p<a href="https://www.sciencedirect.com/science/article/pii/S0269749122005401?dgcid=coauthor">ublished their findings</a> in the journal Environmental Pollution.&nbsp;



---



By <a href="mailto:katherinebucko@gmail.com">Katherine Bucko</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Heavy metal pollution increases antibiotic resistance in rivers

Elevated heavy metal levels in rivers can lead to higher...

Although methane emissions have been increasing rapidly over the past years, contributing significantly to <a href="https://www.earth.com/news/climate-change-disrupts-communication-among-animals/">climate</a> change, this problem is not adequately treated within current national and international governance frameworks. A new study led by the <a href="https://www.iass-potsdam.de/de">Institute for Advanced Sustainability Studies</a> (IASS) in Potsdam, Germany highlights the urgent need for action to curb methane emissions in order to mitigate global warming.&nbsp;



Under the Paris Agreement, the effects of all greenhouse gases are expressed in terms of “CO2&nbsp;equivalents,” a unit of measurement which reflects these gases’ warming effects over a period of 100 years. However, such an approach fails to adequately represent methane’s impact on the climate, while also neglecting its negative effects on human health and ecosystems.



“Governing methane based on assigning it a “CO2&nbsp;equivalence” means that only its climate impact on a 100-year timescale is robustly taken into account – including within carbon pricing schemes, for example,” said study lead author Kathleen Mar, an expert in Atmospheric Chemistry at IASS.



“This neglects methane’s critically important role in near-term climate – over the course of the next 20 years – during which time methane’s warming impact is roughly 80 times greater than that of CO2. Methane’s short atmospheric lifetime means that efforts to reduce emissions can rapidly reduce atmospheric concentrations and, as a consequence, global warming.”



Methane emissions are caused by both natural and anthropogenic factors, including wetlands, fires, fossil fuels, agriculture, and waste management. While scientists have already noted that these emissions have increased dramatically in recent years, the full scope of methane pollution is still underestimated. For instance, methane emissions due to leakages from gas and oil operations are underreported, while in the agricultural sector, reporting remains dominated by basic estimation methods.



However, some developments in controlling these emissions – such as the “Global Methane Pledge” to reduce emissions by at least 30 percent during this decade that was signed by 100 countries at the COP26 Climate Summit in Glasgow – offer a glimmer of hope that the impact of this harmful gas on our planet could be mitigated.



According to Dr. Mar, swift implementation of these pledges is critical. “When it comes to climate change, governments have often failed to deliver on their promises. This doesn’t have to be the case when it comes to methane: significant reductions in methane emissions are within our reach with available technologies and cost-effective measures, including the improved detection of leakages in the oil and gas industry as well as methane capture and utilization technologies for landfills."



The study is published in the journal <a href="https://www.sciencedirect.com/science/article/pii/S1462901122001204?via%3Dihub">Environmental Science &amp; Policy</a>.&nbsp;&nbsp;



----



By <a href="mailto:andrei.ionescu5891@gmail.com">Andrei Ionescu</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Impacts of methane emissions are greatly underestimated

Although methane emissions have been increasing rapidly over the past...

A new study led by the <a href="https://www.exeter.ac.uk/">University of Exeter</a> has found that much of the excess heat stored in the subtropical North Atlantic is in the deep part of the <a href="https://www.earth.com/news/95-percent-of-ocean-could-become-inhospitable-this-century/">ocean</a>, below 700 meters. The scientists estimated that, over the next 50 years, the deep ocean’s temperatures will increase by a further 0.2°C.&nbsp;



Until now, oceans have absorbed about 90 percent of the warming caused by human activities. By using temperature records and “chemical tracers” – compounds whose composition can be used to discover past changes in the oceans – the researchers have found that, in the subtropical North Atlantic, 62 percent of the warming from 1850 to 2018 is held in the deep ocean. This warming will most likely have a negative impact on our planet, leading to sea-level rise, changing ecosystems, ocean currents and chemistry, and deoxygenation.



“As our planet warms, it’s vital to understand how the excess heat taken up by the ocean is redistributed in the ocean interior all the way from the surface to the bottom, and it is important to take into account the deep ocean to assess the growth of Earth’s ‘energy imbalance,’” said Dr. Marie-Jose Messias, a senior lecturer in Oceanography at the University of Exeter.&nbsp;



“As well as finding that the deep ocean is holding much of this excess heat, our research shows how ocean currents redistribute heat to different regions. We found that this redistribution was a key driver of warming in the North Atlantic.”



According to Dr. Messias and her colleagues, the main cause of North Atlantic deep ocean warming is the system of currents known as the Atlantic Meridional Overturning Circulation (AMOC). This system works like a conveyor belt, carrying warm water from the tropics north, where colder and denser water sinks into the deep ocean, slowly spreading southward. Thus, excess heat from the Southern Hemisphere oceans is constantly transferred to the North Atlantic by AMOC.



Further research is needed to clarify the mechanisms of heat transferred from the Southern to the Northern Hemisphere oceans, and the role that AMOC plays in these processes.



The study is published in the journal <a href="http://dx.doi.org/10.1038/s43247-022-00443-4">Nature Communications: Earth &amp; Environment</a>.&nbsp;



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By <a href="mailto:andrei.ionescu5891@gmail.com">Andrei Ionescu</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Deep ocean temperatures are steadily rising

A new study led by the University of Exeter has...

The ways in which we produce <a href="https://www.earth.com/news/food-production-linked-to-one-third-of-global-emissions/">food</a> and manage our lands are responsible for almost a third of global greenhouse gas emissions along the entire supply chain. A new study led by the <a href="https://www.pik-potsdam.de/en/home">Potsdam Institute for Climate Impact Research</a> (PIK) has found that just shrinking the size of our current food system will not substantially cut emissions. Instead, the experts argue that fundamental transformations in the very nature of the global food system are necessary in order to fix these problems.



“That means on the one hand that people consume what they need in terms of nutritional requirements, curb food waste, and eat a more balanced diet, with much more vegetables and less animal products,” explained study lead author Benjamin Bodirsky, a senior scientist at PIK.



“On the other hand, a qualitative transformation means more efficiency, hence producing food in a less-polluting way: smarter dosing of fertilizers or planting higher-yield crops. Also, carbon pricing could help steer farmers towards lower-emission agricultural practices, because emitting less means paying less. Put together, this could drastically reduce greenhouse gas emissions.”



Dr. Bodirsky and his colleagues performed an in-depth review of degrowth proposals and created a set of scenarios which they fed into a food and land systems computer simulation to explore their effect on the food system. These analyses revealed that the current food system is unsustainable for any society, regardless of economic growth rates.



According to the simulations, simply curbing growth in rich countries would not lead to sizable sustainability benefits in the food system. Moreover, financial transfers from richer to poorer countries within the current development paradigms could even increase emissions, since carbon-intensive diet changes are most pronounced when countries move from low to medium incomes.



However, when the researchers included consumption changes and efficiency gains incentivized by the price of carbon, the results pointed towards improved nutritional outcomes for all consumers, as well as lower greenhouse emissions.&nbsp;



“For the food sector, we can say that a certain degree of degrowth would be the result of the sustainable transformation, not the starting point,” said study co-author Hermann Lotze-Campen, an agricultural economist at PIK. “So basically this is not really about less but about different growth.”



Since a sustainable food system transformation that takes into account all costs to the environment would lead to a slight increase in food prices, any such changes must be accompanied by a comprehensive policy mix of smart taxing schemes, social compensation for carbon dioxide pricing, and international transfers. Finally, making agriculture more climate friendly – by controlling nitrogen flows in croplands for, instance – would entail further investments. According to the experts though, all these costs will likely be offset by the urgently needed restoration of crucial ecosystem services.



The study is published in the journal <a href="http://dx.doi.org/10.1038/s43016-022-00500-3">Nature Food</a>.



----



By <a href="mailto:andrei.ionescu5891@gmail.com">Andrei Ionescu</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Global food system is unsustainable and must be transformed

The ways in which we produce food and manage our...

Aerial,View,Of,A,Log,Storage,Yard,From,Authorized,Logging

A new study highlights the excitement and tragedy of discovering two brand new species of fish in Brazil. A team of experts including Murilo Pastana,&nbsp;a researcher at the <a href="https://www.si.edu/">Smithsonian</a><a href="https://naturalhistory.si.edu/"> National Museum of Natural</a> History, described the new species of tiny Amazonian fish – one with striking red-orange fins and the other so small it is technically considered a miniature fish species. The scientists warn that these fish are in imminent danger of becoming <a href="https://www.earth.com/news/pink-pigeons-need-a-genetic-rescue-to-survive-extinction/">extinct</a>, even as the scientific world becomes aware of their existence for the first time.&nbsp;



During 2015 and 2016, Pastana and his colleagues undertook expeditions into the Brazilian Amazon to search for undocumented fish species in the waterways of the Madeira River Basin which is, according to a 2019 estimate, the richest river basin in the world for fish biodiversity. The survey area, roughly 25 miles north of the Brazilian city of Apuí, is unfortunately almost top of the list of Brazilian municipalities with the highest rates of deforestation.&nbsp;



“We went to sample places that have never been visited by scientists,” Pastana said. “This area is really important because this is one of the frontiers where deforestation is moving north – the border between new cities and native forest.”



The researchers were able to access the previously unreachable streams, ponds and tributaries using the very same roads that have been created to facilitate logging activities. They camped along the AM-174 road and collected fish using nets, traps and other methods. All the specimens were photographed, cataloged and preserved for further study back at the Museum of Zoology, University of São Paulo.



“It was exciting to find new species,” said Pastana. “But in the field, we saw the forest on fire, logging trucks carrying out huge trees, and cleared patches turned into cattle pasture. This made us feel a lot of urgency to document these species and publish this paper as quickly as possible.”



Pastana is passionate about preserving the country’s biological heritage, and hopes that describing these new species, both belonging to the group of fish known colloquially as South American darters, will motivate the Brazilian government to protect and conserve them, as well as their precious habitat. He and his co-authors, Willian Ohara from the Federal University of Rondônia and Priscila Camelier from the Federal University of Bahia, said that ongoing deforestation in the region places these roughly inch-long fish in imminent danger of extinction. In particular, the more colorful of the two species,&nbsp;Poecilocharax callipterus, is at risk because its known range is limited to a single stream comprising roughly 1.5 square miles of habitat.



To the researchers, P. callipterus stood out immediately in the field as a new species. The fish has a distinctive dark spot just in front of its tail, as well as having bright red-orange fins.&nbsp; It inhabits the margins of what scientists call black water streams, so named because their waters are stained the color of coffee by tannins leached from fallen leaves. Males of the species have even more intense coloration and sport dorsal fins that can exceed half their body length, which averages just over an inch. Despite searching for this species in the surrounding area on the 2016 return trip, Pastana and his colleagues were only able to find&nbsp;P. callipterus&nbsp;in the single stream in which it was first discovered.



The second species, now named P. rhizophilus,&nbsp;was found among tangles of tree roots protruding from the banks of muddy streams. It has an amber yellow coloration, with males showing dark streaks on their dorsal and anal fins. It is so small that scientists consider it to be miniature, a designation given to fish species that are less than about an inch long as adults. Pastana explained that lab study revealed parts of the skeletons of these tiny fish are actually made of cartilage instead of bone.&nbsp;



Genetic investigations confirmed the evolutionary relationship of these two new closely related species and their relatives, bringing the total number of species in their small sub-family (Crenuchinae) to five. This is the first addition of a new species to the group in 57 years.



Species from the sub-family Crenuchinae are highly desired by hobby aquarium keepers and Pastana fears that the trade in exotic aquarium fish could pose another threat to the populations of these two previously unknown Amazonian species.&nbsp;&nbsp;



These fishes, said Pastana, are like works of art and “losing either of these species would be like losing priceless masterpieces.” Like masterworks from Monet or Picasso, each species is full of irreplaceable details that might bear some resemblance to other creatures on Earth but in concert are utterly unique. Extinction would cause all those details, wrought over millions of years of evolution, to be lost forever. “You’d lose everything about these species,” he said.



The study is published in the <a href="https://academic.oup.com/zoolinnean">Zoological Journal of the Linnean Society</a>.



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By <a href="mailto:bosman@truewan.co.za">Alison Bosman</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Deforestation threatens two new fish species with extinction

A new study highlights the excitement and tragedy of discovering...

According to a new study led by the <a href="https://www.wisc.edu/">University of Wisconsin-Madison</a>, eliminating <a href="https://www.earth.com/news/air-pollution-from-everyday-products-is-deadlier-than-previously-realized/">air pollution</a> emissions from energy-related activities in the United States would prevent over 50,000 premature deaths each year. This would also provide more than $600 billion in benefits from avoided healthcare costs and loss of life.



Dangerous fine particulate matter, sulfur dioxide, and nitrogen oxides are released into the atmosphere by electricity generation, transportation, industrial activities, heating of buildings, and cooking. These pollutants contribute to health issues including cardiovascular disease, stroke, chronic obstructive pulmonary disease, lung cancer, and lower respiratory infections, which can all dramatically shorter lifespans. Moreover, fine particulate matter is also a major source of carbon dioxide emissions that can exacerbate climate change.



By using a model from the <a href="https://www.epa.gov/">U.S. Environmental Protection Agency</a> to determine the health benefits from a complete reduction in emissions of fine particulate matter, the scientists found that cutting these emissions would save about 53,200 lives each year in the US, and provide approximately $608 billion in benefits from avoided illnesses, hospitalizations, and deaths.



“Our work provides a sense of the scale of the air quality health benefits that could accompany deep decarbonization of the U.S. energy system,” said study lead author Nick Mailloux, a graduate student in Environmental Studies at UW-Madison. “Shifting to clean energy sources can provide enormous benefit for public health in the near term while mitigating climate change in the longer term.”



Mailloux and his team have also investigated the health effects if regions of the country were to act independently to reduce emissions, instead of part of a concerted national effort. Due to regional variations in energy use and population, the effects were found to differ widely in different parts of the country.&nbsp;



For instance, the Southwest (a region comprising Arizona, California, and Nevada) would retain 95 percent of the benefits if it acted alone to eliminate fine particle emissions.&nbsp;



“In the Mountain region, though, most of the benefit of emissions removal is felt somewhere else,” explained Mailloux. “Just 32 percent of the benefit remains in states in the Mountain region. This is partly because there are large population centers downwind of the Mountain region that would also benefit.”



According to the researchers, every region of the country would in fact see more benefits from nationwide action rather than acting on their own.&nbsp;



“The Great Plains, for example, gets more than twice as much benefit from nationwide efforts as it does from acting alone. The more that states and regions can coordinate their emissions reductions efforts, the greater the benefit they can provide to us all,” concluded Mailloux.



The study is published in the journal <a href="https://agupubs.onlinelibrary.wiley.com/journal/24711403">GeoHealth</a>.&nbsp;



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By <a href="mailto:andrei.ionescu5891@gmail.com">Andrei Ionescu</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Cutting emissions would save over 50,000 US lives each year

According to a new study led by the University of...

A poll conducted by the NGO <a href="https://usa.oceana.org/">Oceana</a> this month showed that the majority of New Yorkers are concerned with the problem of single use plastics and want intervention from the state.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;



“New Yorkers’ eyes are open to the plastic <a href="https://www.earth.com/news/plastic-production-must-be-phased-out-to-stop-pollution/">pollution</a> crisis threatening their communities and ocean, and state lawmakers can no longer ignore our calls for government action. The state legislature already has two bills at its fingertips to reduce single-use plastic utensils, straws, and stirrers, and these polling results suggest it would have the support of constituents in passing them,” said Brian Langloss, Oceana Field Representative.



“New York has always been a leader in environmental action, and it’s clear New Yorkers want lawmakers to honor that reputation by curbing our state’s reliance on plastic and protecting its coastlines for generations to come. It’s time for state lawmakers to heed the call of their constituents and pass these important bills.”



Overall, 88 percent of those polled supported regulations to curb the amount of single use plastic products. Eighty-three percent of registered voters in New York are worried about single use plastic used in takeout and delivery food.&nbsp;



In addition, 85 percent of poll participants also support national policy to limit the amount of single use plastic, while 76 percent support legislation to reduce plastic straws.&nbsp;&nbsp;



The poll results come as the New York legislature considers two bills which if passed would limit the amount of single use plastics in the state. <a href="https://www.nysenate.gov/legislation/bills/2021/A5383">Assembly Bill A5383/Senate Bill S8264</a> would make single use utensils at restaurants available only upon customer request. <a href="https://www.nysenate.gov/legislation/bills/2021/S1505">Assembly Bill A207A/Senate Bill S1505A</a> would remove plastic stirrers from restaurants all together and make plastic straws available only upon request.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;



New York, like almost everywhere in the world, is already seeing negative impacts from plastic pollution. The Hudson River estuarine sanctuary, terminus of the famous river, is filled with an estimated 578,333 microplastic particles per kilometer.&nbsp;&nbsp;&nbsp;



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By <a href="mailto:zachfitzner@yahoo.com">Zach Fitzner</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

New Yorkers are ready to take control of single use plastics

A poll conducted by the NGO Oceana this month showed...

A new study led by the <a href="https://www.leeds.ac.uk/">University of Leeds</a> has found that the world’s largest fossil fuel companies are planning or already conducting 425 “carbon bomb” oil and gas projects that could seriously impede efforts to limit global warming to 1.5°C above pre-industrial levels. According to the experts, such initiatives could release over 646 billion tons of carbon dioxide emissions, and should be urgently halted if the world is to avoid a <a href="https://www.earth.com/news/ipcc-report-can-we-save-the-planet-from-climate-catastrophe/">climate catastrophe</a>.



Despite scientists’ warnings that greenhouse gas emissions will have a highly negative impact on the world’s climate, major multinational companies such as Shell, Gazprom, ExxonMobil, BP, PetroChina, Petrobras, ConocoPhillips, or Chevron (which all made over $2 million in profits during the past three decades) have already started 60 percent of these new gigantic oil and gas projects that are estimated to result in at least a billion ton of CO2&nbsp;emissions each over their lifetimes – the equivalent of approximately 18 years of current emissions. The largest of these companies are on track to spend $103 million a day for the rest of the decade exploiting new fields of oil and gas that should clearly not be burned if global warming is to be limited to well under 2°C.



“The oil and gas industry are continuing to plan these huge projects, even in the face of a burning planet,” said study lead author Kjell&nbsp;Kühne, an expert in fossil fuels at the University of Leeds. “The ambitious targets of the&nbsp;Paris agreement&nbsp;were apparently not enough to make them question their business case. These carbon bombs are the single biggest indicator that we are not trying hard enough.”



According to the researchers, the United States is the leading source of emissions, housing 22 of these projects, which have the potential to emit 140 billion tons of carbon dioxide - almost four times more than the entire world emits each year. Saudi Arabia is estimated to be the second largest emitter, with 107 billion tons, followed by Russia, Qatar, Iraq, Canada, China, and Brazil.



“Either the scientists have spent 30 years working on this issue and have got it all wrong – the big oil CEOs know better – or, behind a veil of concern, they have complete disregard for the more climate vulnerable communities, typically poor, people of color and far away from their lives. Equally worrying, they are disinterested in their own children’s future,” said climate scientist Kevin Anderson from the <a href="https://tyndall.ac.uk/">Tyndall Center for Climate Change Research</a>.



Defusing these climate bombs should become an important dimension of climate change mitigation policy and activism in order to avoid disastrous temperature increases that would affect the majority of the Earth’s ecosystems.



The study – containing a full list of the carbon bomb projects threatening our planet – is published in the journal <a href="https://www.sciencedirect.com/science/article/pii/S0301421522001756?via%3Dihub#!">Energy Policy</a>.



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By <a href="mailto:andrei.ionescu5891@gmail.com">Andrei Ionescu</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

"Carbon bomb” projects must be halted to limit global warming

A new study led by the University of Leeds has...

A new study led by the <a href="https://www.exeter.ac.uk/">University of Exeter</a> has found that, although conservation of sea turtles along most of Africa’s east coast has significantly progressed in recent decades, tens of thousands of turtles are still dying each year. This can be largely attributed to human activity, including illegal take and consumption of turtles (especially <a href="https://www.earth.com/news/african-network-helps-protect-green-turtle-populations/">green turtles</a>), bycatch, or loss of nesting and foraging habitats.



“Turtles face many threats along the African east coast, from egg to adult,” said study lead author Casper Van De Geer, a PhD student in Conservation Science at the University of Exeter. 



“Our aim was to bring together everything that is currently known about these turtles, and to identify opportunities to better protect them in this rapidly developing region. We found that there's still a lot we don't know about these turtle populations, like how many there actually are or where they spend most of their time and migrate to.”



By using clutches of eggs laid as a measure of population, Van De Geer and his colleagues have found that some turtle species have recovered quite well in some places, such as the loggerhead turtles in South Africa and Mozambique. Unfortunately, other species, including leatherback and hawksbill turtles, have not responded well to conservation efforts.



While there is good legislation in place to protect turtles, and stakeholder groups are actively participating in conservation activities, greater collaboration with local populations is urgently needed to increase awareness and boost conservation efforts.&nbsp;



“Local knowledge was key to this research, just as it is vital to turtle conservation,” explained Van De Geer. “Conservation work is most effective when it is supported by the local stakeholders and this is achieved through genuine engagement and cultural sensitivity.”



“There are great examples of this along the African east coast where people are trained and employed as rangers or monitors in the area where they grew up, and the use of community theatre or musical performances to inform people about the marine world and conservation. Ultimately, it’s the people who live in a place who have the knowledge and motivation to protect it,” he concluded.



The study is published in the journal <a href="http://dx.doi.org/10.3354/esr01180">Endangered Species Research</a>.



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By <a href="mailto:andrei.ionescu5891@gmail.com">Andrei Ionescu</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Thousands of sea turtles still dying on the east African coast

Previous research has shown that North Atlantic right whales are declining in size. The whales may be smaller in size due to tangling with <a href="https://www.earth.com/news/dolphin-bycatch-from-fishing-activities-is-unsustainable/">fishing</a> gear and other stresses. Now, new research shows this shrinking could have dire consequences for the endangered whales.



“Smaller females appear to have less capacity to raise calves as frequently as larger whales,” said Joshua Stewart, a research biologist with <a href="https://www.fisheries.noaa.gov/">NOAA Fisheries</a>’ Southwest Fisheries Science Center. “Their smaller size means they may take longer to recover from the energetic cost of giving birth, especially in light of other stresses on the population.”



Stewart collaborated with other researchers from Oregon State University, Woods Hole Oceanographic Institution, the New England Aquarium, and SR3 on the findings. The scientists were able to examine the whales using high quality aerial photography.&nbsp;



“We were able to measure whales by flying a camera high above them, essentially giving them a health check without them knowing we were there,” said study co-author John Durban.



The research showed that larger females were able to give birth to larger and healthier offspring. Over the course of years, larger whales also produced more young. The birth rate of the 350 remaining right whales is currently at a 40 year low. This is partially due to entanglement in fishing gear the research suggests.&nbsp;&nbsp;



“After decades of research on this species, we have learned about the stressors right whales face and, with this study, have gained further insights into how these stressors are affecting their reproduction,” said study co-author Amy Knowlton.&nbsp;



“The remedies to address these threats are clear: shifting how humans operate in the ocean so that do not inadvertently harm whales. That means adapting to weaker ropes used for fishing and ultimately ropeless fishing gear as well as broader areas of vessel speed restrictions in the right whale’s range. With these changes, we could reverse the decline we are witnessing in this species.”&nbsp;



Other factors likely also play a role in the fecundity of the whales, including lack of prey, driven by human causes. Hopefully this research helps secure a future for these beautiful creatures.&nbsp;&nbsp;



The study is published in the journal <a href="https://www.int-res.com/journals/meps/">Marine Ecology Progress Series</a>.



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By <a href="mailto:zachfitzner@yahoo.com">Zach Fitzner</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Dwindling right whale population linked to shrinking bodies

Previous research has shown that North Atlantic right whales are...

Forest,Trail,Scene.,Woodland,Path

<a href="https://www.earth.com/news/we-still-have-much-to-learn-about-tree-growth/">Tree</a> planting is often an environmental solution to offset emissions that contribute to climate change. However, if the trees burn in a forest fire, all of the carbon they store could be thrown back into the atmosphere. When trees die, they also stop scrubbing carbon dioxide from the air due to drought or insect damage.



According to new research from the <a href="https://www.utah.edu/">University of Utah</a>, the likelihood of these threats is increasing worldwide. Relying on forests to absorb carbon emissions could be riskier than previously thought.



“U.S. forests could look dramatically different by the end of the century,” said study lead author William Anderegg. “More severe and frequent fires and disturbances have huge impacts on our landscapes. We are likely to lose forests from some areas in the Western U.S. due to these disturbances, but much of this depends on how quickly we tackle climate change.”



The researchers modeled the risk of tree death from fire, climate stress, such as heat or drought, and insect damage for forests throughout the United States, projecting how those risks could increase overtime.&nbsp;



The models found that by 2099, United States forest fire risks may increase between four and 14 times, depending on different carbon emissions scenarios. The risks of climate stress-related tree death and insect mortality could double over the same time.



“Climate change is going to supercharge these three big disturbances in the U.S.,” said Anderegg. “We’ve seen devastating fire seasons with increasing severity in the past several years. Generally, we expect the western U.S. to be hit hardest by all three of these. And they’re somewhat interconnected too. Really hot and dry years, driven by climate change, tend to drive lots of fires, climate-driven tree mortality and insect outbreaks.”



In each model, actions to tackle climate change mattered significantly. Reducing the severity of climate change dramatically reduced the likelihood of fire, drought and insect-driven forest die-off. This signals an opportunity - taking action to address climate change now can help maintain healthy forests, and the offsetting of emissions trees provide.&nbsp;



The study is published in the journal <a href="https://onlinelibrary.wiley.com/journal/14610248">Ecology Letters</a>. The research was supported by the National Science Foundation, U.S. Department of Agriculture, David and Lucille Packard Foundation and Microsoft’s AI for Earth.



Click <a href="https://carbonplan.org/research/forest-risks">here</a> to see the findings in an interactive map.



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By <a href="mailto:katherinebucko@gmail.com">Katherine Bucko</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Climate change will "supercharge" forest disturbances

Tree planting is often an environmental solution to offset emissions...

Beautiful,Field,View,,As,A,Spiritual,Person,,Nature,For,Me

It's been long believed that the first farmers originated 11,000 years ago in the Fertile Crescent in the Near East. Still, researchers were not sure whether Europe's first farmers <a href="https://www.earth.com/news/unraveling-one-of-the-greatest-feats-of-human-migration/">migrated</a> from the Fertile Crescent or learned it through cultural dissemination.&nbsp;&nbsp;



While previous research implied that Europe's farmers came from hunter-gatherers in Anatolia, a new study led by the <a href="https://www.unibe.ch/index_eng.html">University of Bern</a> suggests that farming did not come from a single region.&nbsp;



Earlier studies indicated that the first agriculturalists were genetically different from other human groups. However, this study implies that there was a genetic mixing of hunter-gatherers from Europe and Anatolia approximately 14,000 years ago, which was 3,000 years before the first farmers.&nbsp;



"We now find that the first farmers of Anatolia and Europe emerged from a population admixed between hunter-gatherers from Europe and the Near East," said study co-author Nina Marchi.



The genetic mixing was followed by thousands of years of extreme genetic differentiation. Perhaps one of the most impressive aspects of this study is the interdisciplinary work that brings us these results.&nbsp;



The researchers used high-quality genetic material from prehistoric skeletons and analyzed demographic data to gather the necessary data. The team labeled this method "demogenomic modeling."&nbsp;



"It is necessary to have genome data of the best possible quality so that the latest statistical genomic methods can reconstruct the subtle demographic processes of the last 30 thousand years at high resolution," said study senior author Laurent Excoffier.



It took the researchers almost ten years to gather and study the skeletons. They also consulted with several anthropologists and archeologists.



"Simply comparing the similarity of different ancient genomes is not enough to understand how they evolved," said Marchi. "We had to reconstruct the actual histories of the populations studied as accurately as possible. This is only possible with complex population genetic statistics."



The discoveries made by the team only further their desire to learn more, as demonstrated by Excoffier, who wants to explore other time gaps and geographic areas. "Of course, spatial and temporal gaps remain, and this does not imply the end of studies on the evolution of humans in this area."



This study is published in <a href="https://www.cell.com/cell/fulltext/S0092-8674(22)00455-X?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS009286742200455X%3Fshowall%3Dtrue">Cell</a>.



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By <a href="mailto:nire518@gmail.com">Erin Moody </a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Study sheds new light on the origins of the first farmers

It's been long believed that the first farmers originated 11,000...

Scientists are transforming chocolate into a functional food by infusing it with probiotics and prebiotics, aiming to create a treat that satisfies cravings while supporting gut health. 



The challenge lies in maintaining chocolate's beloved texture and flavor while adding health benefits.



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Probiotics - beneficial microbes that balance gut bacteria and aid digestion - are typically fragile and can be destroyed by stomach acid or processing. 



Prebiotics act as food for these microbes, helping them thrive. Together, they form "synbiotics," a powerful health combination.



Researchers Smriti Gaur and Shubhi Singh from India's Jaypee Institute of Information Technology took an innovative approach, using natural prebiotics like corn and honey instead of complex processing methods. 



They created five chocolate varieties: a control and four synbiotic versions containing different combinations of prebiotics, probiotics (Lactobacillus strains), and flavor enhancers (cinnamon or orange).



Laboratory simulations of human digestion showed the probiotics remained viable for over five hours, suggesting they could survive long enough to benefit gut health.



Taste tests were positive, with researchers particularly enjoying the orange-flavored variety, describing it as having "vibrant citrus notes" complementing the "rich cocoa" with a "luxurious" texture.



This research represents just the beginning. With further refinement of strains, textures, and flavors, chocolate could evolve beyond mere indulgence to become a functional food that nourishes while it delights.



The study is published in the journal <a href="https://pubs.acs.org/doi/10.1021/acsfoodscitech.4c00741" target="_blank" rel="noreferrer noopener">ACS Food Science &amp; Technology</a>.

Is chocolate the next nutritional powerhouse?

Scientists are transforming chocolate into a functional food by infusing...

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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

[sendtonews key="QGPzYnXEtN-1712599-12187" type="single"] Today’s Video of the Day from Carl...

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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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Lesotho: Africa's "Kingdom in the Sky" Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features northwest Lesotho in South Africa.



According to ESA, Lesotho is the only nation in the world that lies completely above 1,000 m in elevation. The country is famous for its tall mountains and narrow valleys, and is known as Africa's "Kingdom in the Sky."



Out of a population of around two million people, about 80 percent live in rural areas. More than 75 percent of these people are engaged in <a href="https://www.earth.com/news/climate-change-will-have-a-global-impact-on-agriculture/">agriculture</a>, including rainfed cereal production and animal grazing.&nbsp;



ESA reports that the country’s agricultural system faces a growing number of issues, with climate-related vulnerabilities such as drought, floods and extreme temperatures occurring more frequently. 



Diamonds are amongst the minerals found in the mountains. Indeed, Lesotho can truly be called the Kingdom in the Sky. Beautiful, culturally rich, safe, affordable, and easily accessible from Durban and Johannesburg, mountainous Lesotho is a vastly underrated travel destination. the Kingdom of Lesotho (Sotho: 'Muso oa Lesotho) is an enclaved country in southern Africa. It is just over 30,000 km2 (11,583 sq mi) in size and has a population of around 2 million.



Video Credit: ESA&nbsp;&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> Staff Writer 



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.

Lesotho: Africa's "Kingdom in the Sky"

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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

[sendtonews key="f8fukm28Vz-2491833-12187" type="single"] Today's Video of the Day from NASA...

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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



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 rapid retreat of the Columbia Glacier

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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



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.

2022 illustrated the consequences of a warming climate

[sendtonews key="3UUsNkFOuS-2487333-12187" 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



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.

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



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.

Tiger sharks are shifting poleward as temperatures rise

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

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> is focused on the melt ponds that emerge during the spring and summer on the Greenland Ice Sheet, which is the largest ice mass in the northern hemisphere.



"Melt ponds are vast pools of open water that form on both sea ice and ice sheets and are visible as turquoise-blue pools of water in this Copernicus Sentinel-2 image," says ESA.



"When snow and ice melts atop glaciers, water flows in channels and streams and collects in depressions on the surface. These melt ponds can speed up the melting of the surrounding ice since they greatly reduce the ice’s ability to reflect sunlight."



"This can create a positive feedback where an increasing number of melt ponds absorb more heat which causes ice cover to melt even faster."



According to ESA, Greenland has been hit with a late-season heatwave that began in early September. This caused the type of melt event that usually occurs in the middle of summer.



"In a recent paper published in Nature Climate Change, scientists found that major sea-level rise from the melting of the Greenland ice cap is now ‘inevitable’ even if the burning of fossil fuels were to halt overnight," says ESA. "Using satellite observations of Greenland ice loss and ice cap from 2000 to 2019, the team found the losses will lead to a minimum rise of 27 cm regardless of climate change."



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.

Melt ponds on the Greenland Ice Sheet

[sendtonews key="qARzJPSabQ-2270617-12187" 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> describes how Earth is unique in our solar system for its ability to sustain liquid water on its surface. But now, the water cycle is shifting as the climate warms, and scientists must find ways to predict how these changes will affect water availability.



Overall, 96 percent of Earth's water is saltwater, and nearly all of freshwater is found in ice and groundwater. These sources of water are linked as it passes through solid, liquid and gas phases.



In a warmer climate, the water cycle will be transformed. It will be easier for water to evaporate and form clouds, and storms will become more frequent and intense. Some regions will get too much water, while others will be left without enough water. In addition, soil moisture will be lost - which threatens food security.



Scientists are using satellite data from over the last 40 years to track changes that are happening in the water cycle. This will ultimately help us prepare for extreme events and better manage our water resources, according to ESA.



Video 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.

Tracking changes in Earth's water cycle

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Saturn,-,High,Resolution,3d,Images,Presents,Planets,Of,The

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard Space Flight Center</a> features images of Saturn from NASA’s Hubble Space Telescope. The photographs capture the start of the mysterious "spoke season" on Saturn - when unexplained features appear on its rings. 



According to NASA, both the cause of the spokes and their seasonal variability have yet to be fully explained by planetary scientists.



"Like Earth, Saturn is tilted on its axis and therefore has four seasons, though because of Saturn's much larger orbit, each season lasts approximately seven Earth years. Equinox occurs when the rings are tilted edge-on to the Sun," explains NASA.



"The spokes disappear when it is near summer or winter solstice on Saturn. (When the Sun appears to reach either its highest or lowest latitude in the northern or southern hemisphere of a planet.) As the autumnal equinox of Saturn's northern hemisphere on May 6, 2025, draws near, the spokes are expected to become increasingly prominent and observable."



Experts believe that the spokes may be a product of the planet's variable magnetic field. When magnetic fields interact with solar wind, an electrically charged environment is created. This phenomenon is visible on Earth as the northern lights.&nbsp;



"Scientists think that the smallest, dust-sized icy ring particles can become charged as well, which temporarily levitates those particles above the rest of the larger icy particles and boulders in the rings," says NASA.



The spokes were first observed in the early 1980s by NASA's Voyager mission. Depending on the angle of the rings, the spokes can appear dark or light.



"Thanks to Hubble's OPAL program, which is building an archive of data on the outer solar system planets, we will have longer dedicated time to study Saturn’s spokes this season than ever before," said NASA senior planetary scientist Amy Simon, head of the Hubble Outer Planet Atmospheres Legacy (OPAL) program.



"Despite years of excellent observations by the Cassini mission, the precise beginning and duration of the spoke season is still unpredictable, rather like predicting the first storm during hurricane season."



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.

Mysterious "spoke season" captured on Saturn

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Closeup,Of,Fresh,Green,The,Napier,Bush,Grass,As,Animal

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Today’s Video of the Day from <a href="http://www.ntu.edu.sg/">NTU Singapore</a> reveals that some plants can remove toxic heavy metals from soil.&nbsp;



The researchers analyzed samples of various tropical plant species to test for levels of heavy metals and metalloids. The study showed that there are existing plants with high levels of these contaminants, which means that these species are great candidates for drawing pollutants out of the soil.&nbsp;



Among the plants examined in the study, 12 species had accumulated several types of heavy metals and metalloids. These plants are widely available, including species that are native to Singapore.



“In a small nation like Singapore, land may be repurposed to support new development plans, so it is important that we have a green and sustainable way to remediate land that is contaminated," said Professor Lam Yeng Ming.



"We set out to uncover how to better make use of tropical plants to do phytoremediation and through advanced characterization techniques, we showed how some of these tropical plant species can be an environmentally friendly and literally a 'green' way to remove contaminants in soil."&nbsp;



"Phytoremediation also has benefits of cost effectiveness, simplicity of management, aesthetic advantages, and long-term applicability and sustainability. The strategy prevents erosion and metal leaching by stabilizing or accumulating heavy metals, so that helps reduce the risk of contaminant spread.”



Video Credit: NTU Singapore



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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.

Plants help remove heavy metals from contaminated soil

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Today’s Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> describes why herbicides are not as effective in killing weeds anymore. In the 20th century, chemical companies developed thousands of herbicides. The most commonly used herbicide was glyphosate, which was introduced in 1974.



Over the past few decades, dozens of species of weeds have evolved resistance to glyphosate. Depending on the site of action, the part of the plant that an herbicide interacts with, weeds may even be resistant to herbicides that have not been developed yet.&nbsp;



With increasing resistance to glyphosate and other herbicides, weeds are - once again - becoming a major concern for farmers.&nbsp;



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.

Weeds are becoming increasingly resistant to herbicides

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Today’s Video of the Day from the <a href="https://www.jpl.nasa.gov/">NASA Jet Propulsion Laboratory</a> (JPL) describes a dust storm on Mars that was nearly twice the size of the United States. As the storm covered the southern hemisphere of the planet, some of NASA’s explorers had to delay their normal activities.



NASA’s Insight lander put itself in a "safe mode" for 11 days to conserve battery power because solar power was disrupted by the dust. The Ingenuity Mars Helicopter postponed flights until conditions improved.



"A fleet of NASA orbiters monitor Martian dust storms like this one and serve as lifelines to Earth by relaying data from the rovers and lander on the ground back to the team. This includes the Mars Reconnaissance Orbiter, MAVEN, and Odyssey," reports JPL.



"Dust storms like this recent one start close to the ground and are spread by wind as they rise – warming the cold Martian atmosphere."



The images in the video were captured by NASA’s Curiosity as the dust rolled in. A fleet of orbiters monitored the dust storm from above, relaying data from Mars’ explorers back to scientists on Earth.



Video &amp; Image Credit: NASA/JPL-Caltech/ASU/MSSS



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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.

NASA monitors giant dust storms on Mars

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Today's Video of the Day from the <a href="http://www.esa.int/">European Space Agency</a> features Qeshm Island in the Strait of Hormuz. This strait provides the only sea passage from the Persian Gulf to the open ocean.



Qeshm is separated from the Iranian coast by the Clarence Strait, also known as Khuran.&nbsp;The Hara Forest Protected Area is a network of shallow waterways and forest located between the island and the mainland. This protected region is home to sea turtles, snakes, and more than 150 species of migrating birds.



Qeshm is famous for its wide range of&nbsp;ecotourist&nbsp;attractions, such as the&nbsp;Hara marine forests. According to environmentalists, about 1.5 percent of the world birds and 25 percent of Iran's native <a href="https://www.earth.com/news/female-hummingbirds-avoid-sexual-harassment-by-looking-like-males/">birds</a> annually migrate to the forests, which are the first national geo park in Iran.



Tourists are also drawn to the island to see an age-old Portuguese&nbsp;fort, historic mosques, the&nbsp;Seyyed Mozaffar&nbsp;and&nbsp;Bibi Maryam&nbsp;shrines, and the "Valley of Stars."



The average temperature on the island is 81 degress and the region is often hot and humid. From June to August, the island is described as being oppressively hot. The ideal time to visit is during the winter season. 



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.

Qeshm Island in the Strait of Hormuz

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Inhambane Bay in southeast Mozambique.&nbsp;



"Inhambane Bay is a deep inlet into which the small Mutamba River flows," says ESA. "On one side of the bay lies the historical city of Inhambane, capital of the Inhambane Province, while the sister city of Maxixe, the economic capital of Inhambane, sits across from it. The province is the second largest grower of cashews, after Nampula, and it also produces coconut and citrus fruits."



The beaches of Barra and Tofo are popular with tourists. There are also coral reefs along the long coastline of Inhambane, making it an ideal destination for scuba diving and snorkeling.



"Mozambique’s extensive coastline heightens the country’s vulnerability to tropical cyclones that develop in the Indian Ocean as well as storm surge flooding," says ESA.



"More than half of the population lives in low lying coastal areas, putting communities at risk. Inhambane Bay was dangerously close to where Cyclone Idai made landfall in 2019 causing widespread destruction to the country."



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.

Inhambane Bay in southeast Mozambique

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency </a>&nbsp;features the Kangerlussuaq Glacier, one of the largest tidewater outlet glaciers in Greenland. The glacier is located on the east coast of the Greenland ice sheet.



As human-induced climate change continues to drive up temperatures, global ice loss is accelerating at an alarming rate. ESA reports that, over the past decade alone, 3.5 trillion tons of ice have melted from the Greenland ice sheet. This is enough to cover the UK with meltwater 15 meters deep.



Based on satellite imagery, researchers determined that Kangerlussuaq entered a new phase of rapid retreat and acceleration in 2017. In their study, published in <a href="https://www.frontiersin.org/articles/10.3389/feart.2019.00123/full">Frontiers in Earth Science</a>,&nbsp; the experts report that the glacier's ice front is now at its most retreated position since the early 20th century.



"Given Kangerlussuaq’s previous impacts on both the magnitude and pattern of ice sheet wide mass loss, we predict that its new phase of retreat, acceleration and thinning will markedly enhance the south-east region’s contribution to increasing discharge from the ice sheet," wrote the study authors.&nbsp;&nbsp;



"More broadly, accurate forecasting of the ice sheet’s contribution to sea level rise will require a deeper understanding of, and responses to, these non-linear ice dynamic processes."



Video 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.

Kangerlussuaq Glacier on the Greenland ice sheet

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes the complex relationship between ocean and climate. ESA's Climate Change Initiative will help us understand how oceans influence the climate and how climate change is impacting the oceans.&nbsp;



"Earth’s oceans are huge heat stores, soaking up 93% of the excess heat from human activity over the past 70 years. Ocean currents redistribute heat around the planet, from the Equator to the poles. Where this ocean heat goes influences weather patterns and regional climate," explains ESA.



"As well as absorbing heat, oceans are a natural carbon sink, absorbing a quarter of carbon dioxide emissions from human activity. This has led to the acidification of ocean water, threating marine life."



The amount of heat and carbon dioxide soaked up by the ocean depends on specific variables, including phytoplankton, temperatures, waves, salinity, and ice cover. Satellites can be used to measure these variables from space.



"From their unique vantage point, satellites provide key information for understanding the complexities of our planet and monitoring environmental issues," says ESA.



Video 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.

Ocean heat influences regional climate

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes the importance of monitoring the shape of the sea surface, which is constantly changing. These observations have many applications, such as ship routing, <a href="https://www.earth.com/news/the-modem-ocean-is-a-tough-place-for-whales-to-survive/">ocean</a> current forecasting, and debris tracking.



"A project supported by the Discovery element of ESA’s Basic Activities recently investigated a new technique to measure sea surface topography very precisely," reports ESA.



"The technique involves looking at satellite navigation (GNSS) signals that have been reflected off of the sea surface at very low angles. At these so-called grazing angles, waves and surface roughness have very little impact on the reflection process; the sea surface acts as a very smooth mirror."



Estel Cardellach is the principal investigator at the Institute for Space Studies of Catalonia, who first submitted the idea for the project.



“In a mirror-like reflection the phase of the signal can be tracked – it is continuous," said Cardellach. "Different surface heights result in different phase measurements. It gives a very precise measurement of the surface altitude at a few centimetres’ precision.”



The researchers developed a GNSS receiver and set up an experiment in the Balaeric Islands to collect signals from the receiver that were reflected off the sea surface. Ultimately, these signals will provide improved measurements of the shape of the sea surface.



Image/ Video 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

Monitoring the dynamic shape of the sea surface

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