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It will be very hard to ratify an environmental treaty out of Copenhagen, though it could be far more likely than ratifying the Kyoto treaty was. (The fact is the Kyoto treaty was never put up for a vote. The link you have goes to the Byrd/Hagel resolution that was voted on 4 months before Kyoto concluded. The resolution stated that the Kyoto treaty should include the third world countries and it stated economic concerns if that did not happen – shifting jobs to those countries.)

The language out of Bali, was that there would be common, but differentiated goals for all countries. If they build on that – especially with China actively funding research into green technologies. In addition, Senator Kerry has had some success reaching out to Republicans.