Study: A Fairer Way to Cut Global CO2 Emissions

At the end of the year, governments from around the world will meet in Copenhagen hopefully to hammer out a new treaty — the successor to the Kyoto Protocol, which expires in 2012 — to reduce global greenhouse-gas emissions. Their lack of time aside, diplomats face a very large, very immovable hurdle on the way to a new Kyoto. Developed countries like the U.S., which refused to ratify the original treaty, are responsible for most of the CO2 in the atmosphere — and more than a century of industrialization has helped make them rich — which would indicate that they should shoulder the lion’s share of future emissions reductions.

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