A trillion dollars' worth of heavy crude oil has attracted the world's oil titans to western Canada — and they're making a mess. The World and GlobalPost's GroundTruth Project head to the skies for a look at the sweeping impact of oil extraction from the Alberta Tar Sands.
The island of Madagascar is home to an enormous variety of plants and animals, most of which live only there. But the primeval, or virgin, forests that are home to these species are under intense pressure. Malagasy people, especially poor people, see the