Mongabay: Former US president Bill Clinton spoke out against rainforest destruction on Monday in Brazil. Headlining the Ethanol Summit 2009 in Sao Paulo, Clinton spoke of the positive role ethanol could play in lowering carbon emissions, but not when at the expense of rainforest. “What people are worried about Brazil is not (whether) you have the most efficient biofuel in the world… everybody knows that is true,” Clinton said, as quoted by Reuter. “(But) the world would say if we let Brazil …