“You are watching 163 nations do an elaborate dance to try to make progress when the United States is sitting in the middle of the road trying to obstruct,” said Alden Meyer, a representative of the Union of Concerned Scientists, a group that has long criticized the Bush administration’s climate approach.
“It’s getting to be like Charlie Brown with Lucy holding that football,” he said. “Every time, at the last minute, the U.S. pulls it away.”