Mexican officials were quite capable of stopping one of the world's largest corporations on their own
At the same time hundreds of dead gray whales were washing up on beaches, their birthrate was plunging. Theories abound, but little hard data has been gathered to solve this environmental puzzle.
The Western Pacific gray whale, once thought extinct, clings to life in a remote Siberian sea. Biologists fear their research is providing cover for massive oil drilling that threatens to wipe out this lost tribe once and for all.