Some Call Copenhagen a Failure, but Maybe It's Just a Beginning

The Copenhagen climate summit may not be quite the failure some are saying. It brought into sharp focus a crisis unprecedented in human history. And on a single day -- Thursday, Dec. 17, 2009 -- it presented an historic spectacle. One after another, most of the 120-plus heads of state or government here each declared at the podium in their own way that the climate crisis is grave -- quite possibly threatening civilization itself by mid century if humanity doesn't change behavior. Presidents...Full Story