Daily Roundup: April 29, 2010

Might Makes Right: A group of 33 retired U.S. military officials drafted a letter stating that climate change is a grave threat to national security and urging Congress to take bold action on energy legislation. TreeHugger

Diminishing Diversity: A report published in the journal Science says that governments have failed to stem the tide of biodiversity loss. Since 1970, human activities have reduced animal populations by 30 percent. Envionment News Service

All Hands on Deck: The Obama administration is taking a larger role in the cleanup of the Gulf of Meixco's spreading oil spill, which could reach shore as early as this evening. New York Times

Black Hot: Scientists have determined that a feedback loop is causing the Arctic to warm twice as fast as the rest of the globe. As ice melts, the dark water below heats up the way a black shirt would. Sydney Morning Herald

I Will if You Will: Senator Majority Leader Harry Reid promised to put climate legislation ahead of an immigration bill in an effort to bring Senator Lindsay Graham back to the negotiating table. MSNBC

--Wendy Becktold