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Despite growing concern over the last two decades about the low-oxygen “dead zone” that emerges each summer in the fisheries-rich Gulf of Mexico, the nitrate pollution at the root of the problem continues to rise. That’s the upshot of a study just released by the U.S. Geological Survey (USGS), which monitored nitrate trends at eight…

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Water flows downhill, and you wouldn’t think that rivers would stop for political boundaries, not even when national borders intersect a river channel’s natural course.  The Mekong flows through China, Laos, Burma, Thailand, Vietnam, and Cambodia before it drains into the South China Sea.  The Nile watershed includes Ethiopia, Uganda, South Sudan, Sudan, and Egypt,…

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  Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend, or pick your favorite segments and listen now below! Episode: 1333 – Air…

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  Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend, or pick your favorite segments and listen now below! Episode: 1333 – Air…

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Thanks in large part to the Clean Water Act, many rivers in the United States are cleaner now than when Ohio’s Cuyahoga River caught fire on a Sunday morning in June 1969. But the vast majority of the nation’s rivers and streams still do not measure up as healthy. According to a new assessment by…

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