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Americans celebrate the winter holidays in many ways, which typically include an abundance of food, drinks, desserts – and waste. Food waste is receiving increasing attention from managers, activists,...

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It doesn’t take long in California to develop a feel for “fire weather.” When it’s hot and dry and the winds blow a certain way, there can be no doubt that, as in the past, landscapes will continue...

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Ambient air pollution is the largest environmental health problem in the United States and in the world more generally. Fine particulate matter smaller than 2.5 millionths of a meter, known as PM2.5,...

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From the murder of Saudi journalist Jamal Kashoggi by Saudi agents to President Trump’s clashes with the White House press corps, attacks on reporters are in the news. This problem extends far beyond...

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All animals, whether they live on land or in the water, require oxygen to breathe. But today the world’s oceans are losing oxygen, due to a combination of rising temperatures and changing ocean currents....

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Most Americans associate fall with football and raking leaves, but in the Arctic this season is about ice. Every year, floating sea ice in the Arctic thins and melts in spring and summer, then thickens...

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Coloradans rejected a ballot initiative that would have required new oil and gas projects to be set back at least 2,500 feet from occupied buildings. The measure – known as Proposition 112 and supported...

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For Cainnon Gregg, 2018 started out as a great year. After leaving his job as an installation artist to become a full-time oyster farmer in Wakulla County, Florida in 2017, Gregg began raising small oysters...

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Over the last decade, the U.S. has seen an average of 70,512 wildland fires every year, annually burning about 6.8 million acres. With climate change, scientists expect fires to become more frequent and...

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Jair Bolsonaro, Brazil’s new president, will make many decisions during his four-year term, from combating violence to stimulating a stagnant economy. Those decisions will have large impacts on Brazilians,...