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WASHINGTON — With the clock running out and deep differences unresolved, it now appears there is little chance that international climate-change negotiations in Copenhagen in December will produce a comprehensive and binding new treaty on global warming.
The U.S. and many other major emitting countries have concluded that it is more useful to take incremental but important steps toward a global agreement rather than to try to jam through a treaty that is either too weak to address the problem or too onerous to be ratified and enforced.
Instead, representatives at the Copenhagen meeting are likely to announce a number of interim steps and agree to keep talking next year.
