A Global Flood of Sewage the Focus of World Water Day
Tasha Eichenseher in Nairobi, Kenya - National Geographic News - Mar. 22 '10 Two billion tons of...
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Showing posts from April 3, 2010
Ice cover thickness on this Lake in Canada's High Arctic shrunk from over 4 metres in the 1950s to near complete loss now. Credit: CEN, Laval University.