China's head climate negotiator Su Wei is not convinced, telling the conference his nation views Kyoto as a central issue. "The negotiations are not completely fulfilled. At the South Africa conference, we'll undertake discussions and negotiations over the substantive content of the Kyoto second commitment period." US Secretary of State Hillary Clinton, who did not attend the talks, is upbeat about the final document.
Was the Cancún-deal any cause for celebration?
An agreement was reached but little of it is binding, report Richard A Kessler and Christiana Sciaudone from the resort
16 December 2010 23:00 GMT
Updated
25 November 2012 14:54 GMT