Arctic ice has shrunk to the lowest level on record, new satellite images show, raising the possibility that the Northwest Passage that eluded famous explorers will become an open shipping lane.Worse.
The effects of climate change are already apparent, many experts say. According to the Italian Meteorological Society, the first eight months of 2007 were the hottest in the country for 250 years.Worst.
International legal experts are discovering climate change law, and the Pacific island nation of Tuvalu is a case in point: The Polynesian archipelago is doomed to disappear beneath the ocean. Now lawyers are asking what sort of rights citizens have when their homeland no longer exists.