"During negotiations, developed countries always hope that a future China may do much better and greater efforts on addressing climate change issues," he said.

Rajendra K. Pachauri, head of the U.N. Intergovernmental Panel on Climate Change that shared the 2007 Nobel Peace Prize with Gore, said already "we are perhaps at the upper range" of predicted higher temperatures this century.

"We have a very short window of opportunity," he said. "If we want to limit temperature increase to about 2 degrees Celsius (3.6 degrees Fahrenheit), then emissions globally must peak by 2015."

Connie Hedegaard, Denmark's climate minister, told The Associated Press the best solution is global limits on pollution blamed for global warming instead of a tax on carbon dioxide and other warming gases.

"I would hope that they would sort of agree that some kind of cap and trade will be the most efficient tool to achieve what science tells us what we must achieve," she said.

I have little doubt they've largely been on board for quite a while. This vaguely counter-culture movement had commercial backing early on. This really cements that.
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