27 May '12, 9pm

Tropical dams are a false solution to climate change

Tropical dams are a false solution to climate change

Lake Balbina, a man-made reservoir created to supply hydroelectric power to the city of Manaus in Brazil. The Balbina dam in Brazil flooded some 2,400 square kilometers (920 square miles) of rainforest when it was completed. Phillip Fearnside, author of a new Nature Climate Change editorial, calculated that in the first three years of its existence, the Balbina Reservoir emitted 23,750,000 tons of carbon dioxide and 140,000 tons of methane. (Photo courtesy of MODIS Rapid Response Team, NASA/GSFC) Tropical dams emit considerably more greenhouse gas emissions than their temperate counterparts yet are being treated as a solution to climate change, warns a report published in Nature Climate Change . The problem, argue Philip Fearnside and Salvador Pueyo, is the result of errors in calculations by energy companies. The authors single out ELETROBRÁS, a Brazilian energy giant tha...

Full article: http://news.mongabay.com/2012/0527-brazilian-dams.html

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