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BrazilBrazil to Build $15.6 Billion in Dams in Amazon Region (Water And Wastewater International)On Dec. 10, 2007, a consortium of Brazilian companies won an auction to build and operate the 3,150 megawatt (MW) Santo Antonio dam on the Madeira River in the Amazon rainforest near Bolivia. Consorcio Madeira Energetica, led by large construction company Construtora Norberto Odebrecht SA, beat out two other consortiums formed by Spain’s Endesa Related content:
4% of Global Warming Due to Dams, Says New ResearchLarge dams may be one of the single most important contributors to global warming, releasing 104 million metric tonnes of methane each year. This estimate was recently published in a peer-reviewed journal by Ivan Lima and colleagues from Brazil's National Institute for Space Research (INPE). Related content:
Fizzy Science: Big Hydro’s Role in Global WarmingPatrick McCully This op-ed first appeared in the San Francisco Chronicle, November 17, 2006 It comes as a surprise to most people, but the reservoirs behind the world’s dams are likely a major source of global warming pollution. In the case of big reservoirs in the tropics -- where most new dams are proposed -- hydropower can actually emit more greenhouse gases per kilowatt-hour than fossil fuels, including dirty coal. Related content:
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