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India's fast-growing cities face water crisis

Ranbir Singh still remembers when the wells in his village on New Delhi's southwestern edge were filled with sweet-tasting water and livestock drank from the small ponds that dotted the area.

Mar 20, 2015
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How tiny organisms make a big impact on clean water

Nearly every body of water, from a puddle or a pond to a vast ocean, contains microscopic organisms that live attached to rocks, plants, and animals. These so-called sessile suspension feeders are critical to aquatic ecosystems ...

Oct 15, 2013
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List of search results for sewage ponds