Peru

This article was originally posted on Mongabay. Peru is planning a series of huge hydroelectric dams on the 1,700-kilometer (1,056-mile) Marañón River, which begins in the Peruvian Andes and is the main source of the Amazon River. Critics say the mega-dam projects could destroy the currently free-flowing Marañón, resulting in what Peruvian engineer Jose Serra Vega calls its "biological death." In 2011, Peru passed a law declaring the construction of 20 dams on the main trunk of the Marañón to be in the "national interest" and that the projects will launch the country's "long-term Nat