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The Energy Department finalized rules that will ban fossil fuels in new and remodeled federal buildings by 2030.
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After studying various species earlier this month, some scientists now say they understand the origin of animal behavior during solar eclipses.
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In a parking lot and on San Francisco Bay, NPR witnesses two different tests for solar geoengineering to tackle climate change. With much science unsettled, experts say regulations aren't keeping up.
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The administration said it will restrict new oil and gas leasing on 13 million acres in Alaska to help protect wildlife such as caribou and polar bears as the Arctic continues to warm.
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Where did the idea come from that individuals, rather than corporations, should keep the world litter-free? What history is hidden in the trash? Find out here.
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The recent deadly heat in West Africa is driven by human activities, including the burning of fossil fuels, particularly in the wealthy Northern Hemisphere, according to an international report.
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Two new studies show the unseen toll smoke is taking on people across the country. Climate change is likely to make the problem even bigger.
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Newly discovered damage to part of the dam holding back America's second-largest reservoir has people who rely on the Colorado River worried about their ability to get the water they need.
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Climate change is heating oceans faster than the world's coral reefs can handle. So scientists are breeding corals that can withstand hotter temperatures – but only to a point.
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People who fish in Florida and in federal waters are required to have special gear on board to help ensure groupers, snappers and other reef fish survive when they're returned to the water.
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The National Park Service is seeking the public's help in identifying the two men, caught on video pushing rocks off a cliff near the Redstone Dunes Trail earlier this month.
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We visit an orchard where researchers are breeding Chestnut trees they hope will one day fight off a fungus that's been killing the iconic American tree for more than a century.