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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: Eric who wrote (11914)	7/31/2009 9:59:47 PM
From: teevee	1 Recommendation Read Replies (2) \| Respond to of 86352

Eric, I stand corrected. Not all hydro reservoirs and their power plants emit more green house gases than coal fired plants, but some do and many are not any better. sciencedirect.com and this one: internationalrivers.org Dirty Hydro: Dams and Greenhouse Gas Emissions November 25, 2008 Hydropower is often believed to be an inherently "climate-friendly" technology. But scientific studies indicate that the rotting of organic matter in reservoirs produces significant amounts of the greenhouse gases carbon dioxide, methane and nitrous oxide. The warming impact of tropical reservoirs can be much higher than even the dirtiest fossil-fuel power plants. see chart on page 4 here-: internationalrivers.org