Video: Report: Marine life in imminent danger
Wednesday, June 22, 2011 - 11:01
in Earth & Climate
In a new report to the United Nations, a panel of scientists warn that a toxic mix of pollution, overfishing and other man-made factors add up to the most serious threat to sea life in millions of years. CBS News correspondent John Blackstone reports. Then, Erica Hill talks to Michael F. Hirshfield, Senior Vice President and Chief Scientist at Oceana North America.
