Topic: Ray Hilborn
A study finds that a fishing ban at a Mexican marine park – with critical help from local residents – has successfully restored the fish population. Whether it's enough to restore the industry is not clear.
08/15/2011 08:59 pm
Research shows that many areas of today's oceans have conditions that parallel those of 250 million years ago, when 95 percent of marine species quickly died out.
07/29/2010 05:47 pm
07/31/2009 01:00 am