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Another huge patch of seaweed from the Sargasso Sea is floating towards Caribbean and South Florida beaches. Scientists are trying to predict where and when it will reach the shore.
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Spring is a busy time for the people charged with rehabilitating animals that are injured or orphaned. Right now, it's baby squirrel season across much of the country.
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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.