Jury out on marine damage a year after Gulf oil spill

A year after the worst oil spill in American history, it is difficult to assess the long-term environmental damage. Nearly five million barrels leaked into the Gulf of Mexico after a BP rig exploded, killing 11 workers, threatening the coastline of four states and thousands of livelihoods. Some scientists say the scene underwater now gives grounds for optimism. ... http://www.euronews.net/