Environmental News Network: A new study has revealed the under-appreciation that exists for the role dams play in climate change; how the reservoirs behind them can cause surges of greenhouse gases as the water levels go up and down. In a study of the water column at such a reservoir, marine scientists found an astonishing 20-fold increase in methane emissions as water levels were drawn down. Bubbles coming out of the mud and sediment at the bottom were chock full of this potent greenhouse gas. The role of lakes, reservoirs,...
URL: http://www.enn.com/climate/article/44825?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ClimateChangeNews-Enn+%28Climate+Change+News+-+ENN%29
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