Speaking at Point Carbon’s global emissions congress in Copenhagen, Gore said he believes waiting until the current Kyoto treaty expires in 2012 before negotiating a new treaty, could have dire environmental consequences. A 2010 treaty would also give the US and China, which haven’t ratified Kyoto, the chance to come on board with new environmental legislation earlier.

"There are [still] five years between now and 2012," he noted, going on to stress that some experts predict that the world could