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Reuters: Lakes and rivers emit far more of a powerful greenhouse gas than previously thought, counteracting the overall role of nature in soaking up climate-warming gases, a study showed on Thursday.
A review of 474 freshwater systems indicated they emitted methane equivalent to 25 percent of all carbon dioxide -- the main greenhouse gas blamed for stoking climate change -- absorbed by the world's land areas every year.
Trees and other plants absorb carbon dioxide as they grow.
"Methane emissions......
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Lakes a big source of climate-warming gas: study
Posted by Washington Post: Juliet Eilperin on January 6th, 2011
Posted in Water Conservation