Overall, says the Pew Center on Climate Change, gross domestic product would initially take a hit.

FORBES: California's Carbon Caps are Contentious but Coming

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

Developing countries can lower their emissions of greenhouse gases while maintaining or improving their economic growth, according to a report released Wednesday by the Pew Center on Global Climate Change.

CNN: Developing countries encouraged to curb greenhouse gases

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

In an effort to find a solution to this roadblock, the Pew Center on Global Climate Change released the report, Developing Countries and Global Climate Change, that details four alternative paths to cut greenhouse gas emissions.

CNN: Developing countries encouraged to curb greenhouse gases