"As far as the Copenhagen process is concerned," Yu said, "my personal assessment is unfortunately fairly pessimistic … things have moved forward in an extremely difficult way and the progress achieved is extremely limited."| In preliminary talks, he said, rich nations have not built on their promises to provide technology and financing help to poorer countries.
China’s rising greenhouse-gas emissions — which are expected to surpass those of the United States — have prompted richer countries and experts to argue that China, too, must accept mandatory emissions caps. Talks on a successor accord to the Kyoto Protocol are meant to culminate in a new agreement in December 2009 in Copenhagen, Denmark.
Under the Kyoto Protocol, China and other developing countries are not obligated to cap their emissions.
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