Saturday, April 24, 2010

Amazon hydro plants among most polluting in the world

Itaipu hydroelectric dam
Amazon hydro plants are some of the most polluting on the planet. Decomposing vegetation in the reservoir releases methane, a greenhouse gas 25 times more potent than carbon dioxide. Belo Monte alone will be a big methane producer, but if an additional dam is built upstream – as many fear – the projects together will release as many greenhouse gases as three average-sized coal plants.

Photo courtesy of Alice Cassell/Flickr

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