The Hewlett Foundation's Hal Harvey and the Pew Center on Global Climate Change's Eileen Claussen are key figures in commissioning research and working on politicians.

ECONOMIST: Doing it their way

Eileen Claussen with the Pew Center on Global Climate Change says Kyoto countries are also getting a sense of just what they've let themselves in for.

NPR: Seeking Profit in Kyoto Protocol Compliance

Ms. EILEEN CLAUSSEN (Pew Center on Global Climate Change): Many countries believed that the only thing to do was to set a target and reduce emissions, and I think the view now is different.

NPR: Seeking Profit in Kyoto Protocol Compliance