Five ways to know if a river is polluted—and whether it's safe to go in the water
England's rivers are in a mess. Just 14% are in good ecological condition—and that's just the ones that are regularly assessed.
England's rivers are in a mess. Just 14% are in good ecological condition—and that's just the ones that are regularly assessed.
Environment
Jun 22, 2023
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Runoff and river discharge are important components in Earth's water cycle, but as climate change tightens its grip, heatwaves and instances of drought are increasingly hitting the headlines. One would assume that this hotter ...
Earth Sciences
Apr 4, 2023
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Globally, humans use about 4 trillion cubic meters of fresh water each year for everything from crop irrigation to cooling manufacturing equipment to generating electricity. In a recent study published in Earth's Future, ...
Earth Sciences
Sep 21, 2022
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Rivers transport important nutrients across landscapes and into larger bodies of water. Among those nutrients are nitrogen and phosphorous, which stimulate the growth of crops but, when accumulating in water, may also yield ...
Earth Sciences
Jun 15, 2022
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In 1969, the Cuyahoga River near Cleveland was so polluted that it caught fire, helping to launch the modern environmental movement and prompting Congress to pass the Clean Water Act three years later. It was one of the first ...
Environment
Dec 7, 2021
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Snow cover and glaciers at the Third Pole are disappearing fast as a result of global warming. A joint research team modeled the Third Pole water cycling to see what the future has in store for the region.
Environment
Jul 8, 2021
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The Third Pole centered on the Tibetan Plateau is home to the headwaters of multiple rivers in Asia. Despite the importance of these rivers, scientists have not known exactly how much water flows out of the mountains of the ...
Environment
Jun 24, 2021
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Illinois residents value efforts to reduce watershed pollution, and they are willing to pay for environmental improvements, according to a new study from agricultural economists at the University of Illinois.
Environment
Jan 14, 2021
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Just off the coast of Louisiana, where the Mississippi River lets out into the Gulf of Mexico, an enormous algae bloom, fueled by fertilizer from Midwestern farm fields and urban sewage, creates an area so devoid of oxygen ...
Environment
Jun 19, 2019
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The Colorado River tumbles through varied landscapes, draining watersheds from seven western states. This 1,450-mile-long system is a critical water supply for agriculture, industry and municipalities from Denver to Tijuana.
Environment
Oct 11, 2017
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