December 12, 2011:Charismatic and mysterious, the sturgeon has been around for 85 million years. We may have no more than 20 years left to save it from extinction.(0) Comments
February 2, 2012:Human waste is running offshore in the Caribbean and infecting elkhorn coral -- critical habitat for other sea creatures -- with one bad bug.(2) Comments
January 20, 2012:Before winning an Oscar, Al Gore's "Inconvenient Truth" made its first splash at the prestigious Sundance Film Festival. This year, five documentaries with green themes look to follow in its footsteps.(0) Comments
January 18, 2012:Bans on shark fin soup have gained ground in the U.S. recently, and now major hotel chains in China are also working to protect sharks.(0) Comments
January 17, 2012:Too many brothers mean big trouble for female marmots. They don’t tease her or pull hair, but they could ruin her future family life.(0) Comments
January 11, 2012:Biologists float a proposal that would make commercial whaling legal, but also let conservation groups buy up the hunting quotas.(3) Comments
January 3, 2012:It’s only 2 millimeters long, but this insect’s mating call can compete with the roar of a lawnmower. Engineers are seeking its sonorous secret.(0) Comments
December 29, 2011:The United States suffered an unprecedented 12 weather-related disasters this year with damages of more than $1 billion. Get used to it.(1) Comments
December 21, 2011:On an island in the Indian Ocean, exotic tortoises fill in for long-gone natives and give dwindling ebony trees a chance to make a comeback.(0) Comments
December 20, 2011:In a year that set the record for billion-dollar disasters, these states -- including Texas, North Carolina, and New Jersey -- were hit the worst.(0) Comments