New evidence from University of Texas at Austin researchers posit that the great Mississippi's natural ability to chemically filter out nitrates is being overwhelmed. UT's hydrologists demonstrate the enormity of the filtering process for almost every drop of water that enters into the 311,000-mile long course ending in the Gulf of Mexico.
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So why is Antarctica is not warming as much as other continents, and why are there more droughts in southern Australia? According to new Antarctic ice core research published in Nature Climate Change, rising levels of carbon dioxide in the atmosphere are intensifying the Southern Ocean winds, which are known to deliver rain to southern Australia, but instead they are pushing them further south towards Antarctica.
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According to a recent study, delicate coral reefs are protecting hundreds of millions of people around the world from stronger storms, rising seas, and flooding. The internationally supported study finds that coral reefs reduce the wave energy that would otherwise impact coastlines by 97 percent.
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Wire fences booby-trapped with beehives are being built in five African countries to prevent elephants from raiding farms, while also providing local people with honey. 'Beehive fences' are now being put up in Botswana, Mozambique, Tanzania and Uganda by UK charity Save the Elephant, says Lucy King, leader of the Elephants and Bees Project in Kenya — and they are already in use at three communities in Kenya.
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Breathing in urban India is hard: of the world's top twenty cities with the worst air, 13 of them are found in India, according to a new analysis by the World Health Organization (WHO). Despite the attention recently given to Chinese cities for atrocious air pollution, many of India's cities are actually worse when comparing annual averages of fine airborne particulates.
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