Sao Paulo's Secretary of Green and Environment, Eduardo Jorge, speaks to AFP. Famous for its traffic jams, Sao Paulo is home to 11 million people and its sprawling metropolitan area has a total ... more 

Sao Paulo's Secretary of Green and Environment, Eduardo Jorge, speaks to AFP. Famous for its traffic jams, Sao Paulo is home to 11 million people and its sprawling metropolitan area has a total population of 20 million, making it the world's seventh largest urban area less