As a result of Brazil's crackdown on deforestation, annual carbon dioxide emissions from forest clearance in the Brazilian Amazon dropped by roughly 57%, from 986 million to 420 million tonnes between 2004 and 2011, according to an analysis released on 13 August by Brazil's National Institute for Space Research. Emissions have not fallen as fast as deforestation (which plummeted by 77% over the same period), because carbon does not instantly move from soils and plants to the atmosphere, and because remaining deforestation is moving to denser forest that stores more carbon.
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