Two years of climate-change negotiations have now ended in a farce in Copenhagen. Rather than grappling with complex issues, President Barack Obama decided to declare victory with a vague statement of principles agreed to with four other countries. The rest were handed a fait accompli, which some accepted and others denounced. After the fact, the United Nations has argued that the document was generally accepted, although for most on a take-it-or-leave-it basis.
See Jeffrey Sachs' opinion piece from the Globe and Mail (Canada)