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Plastic pollution in the world’s oceans has become a global environmental crisis. Many people have seen images that seem to capture it, such as beaches carpeted with plastic trash or a seahorse gripping...

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Driving north of Pawhuska, Oklahoma, an extraordinary landscape comes into view. Trees disappear and an immense landscape of grass emerges, undulating in the wind like a great, green ocean. This is the...

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Nitrogen pollution is produced by a number of interlinked compounds, from ammonia to nitrous oxide. While they have both natural and human sources, the latter increased dramatically over the past century...

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The Trump administration’s decision to keep many U.S. national parks open during the current federal government shutdown, with few or no staff, spotlights how popular and how vulnerable these unique...

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Human actions have boosted carbon dioxide concentrations in the atmosphere to levels higher than any measured over the last 160,000 years. Rising concern over the risk of severe impacts from climate change...

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Thirty years ago, during the 1988 presidential campaign, then-Vice President George H.W. Bush took a boat ride across Boston Harbor and derided the environmental record of his rival, Massachusetts Gov....

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On Dec. 22 at 9:03 p.m. local time, a 64-hectare (158-acre) chunk of Anak Krakatau volcano, in Indonesia, slid into the ocean following an eruption. This landslide created a tsunami that struck coastal...

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Our hearing tells us of a car approaching from behind, unseen, or a bird in a distant forest. Everything vibrates, and sound passes through and around us all the time. Sound is a critical environmental...

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Philadelphia’s hip Northern Liberties community is an old working-class neighborhood that has become a model of trendy urban-chic redevelopment. Crowded with renovated row houses, bistros and boutique...

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The winter holidays are a busy time for many businesses, including retail stores, grocers, liquor stores – and dry cleaners. People pull out special-occasion clothes made of silk, satin or other fabrics...