welcome back to hardball. united nations general secretary, speaking ahead of a u.n. climate change conference that began today in madrid, spain. his dire warning follows the release of a u.n. report last week, that indicated rapid, unprecedented cuts of greenhouse emissions are the only hope of an ever-increasing cascading of consequences. military generals and celebrities who will begin holding town hall meetings across the country, urging americans to combat climate change. the group is called world war zero. joining me right now, one of the founding members, former secretary of state john kerry. senator, mr. secretary, how about i ask you the question, how is it going in the argument about climate? who is winning? well, earth isn t winning, that s for sure. and that s the problem, chris. emissions are going to go up in major countries around the world.