A resident swims in a street flooded by the Mearim river in Bacabal, in the northeastern state of Maranhao, in this May 12, 2009 file photo. A bout of extreme weather, including floods in the north and drought in the south, has reignited the debate about how climate change is affecting Latin America's largest country, home to the world's biggest rain forest and one of the world's bread baskets. Picture taken May 12, 2009. To match feature BRAZIL-CLIMATE/ REUTERS/Paulo Whitaker/Files (BRAZIL DISASTER ENVIRONMENT)
REUTERS/PAULO WHITAKER