When a piece of the ice shelf the size of Massachusetts breaks off and melts, isn't that time to reassess? Some folks may have trouble soon, finding enough sand to put their heads in. If we didn't cause it (warming), we're contributing to it and we should stop. The more the ice caps melt, the less white snow there is to reflect heat/sunlight back into space. (And the more heat is trapped, and on and on). I heard President Bush this morning talking to the world about cooperation. "And we all gave our opinions about the Kyoto treaty..." he said, as if that were some sort of contribution. Backing out of that treaty helped US industry but may have cost us important credibility in the world. This administration has continually rewritten or delayed a report by our own scientists in the EPA re global warning. (Did anyone ever get to read that report?)That alone makes me think at least our scientists think we are contributing to the problem. 

Dick Marron

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