The Hot Zone

Hydropower can emit more carbon than coal plants

Hydroelectricity is often posed as a carbon-free energy source. But get this. Some hydroelectric dams – particularly in the tropics – are even worse than fossil fuel power plants. A study published in the Journal of Geophysical Research examined greenhouse gas emissions coming from a large hydroelectic plant in Brazil: the Balbina Dam along the Uatumã River in the central Amazon basin. This dam flooded out more than 900 square miles of lush, tropical rainforest when it was built in... [Read more]

Posted by Alison Hawkes on August 4, 2011 No Comments »
Category : Climate Science and Scientists


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