Last Updated: Tuesday, December 21, 2010, 11:54
The agreement achieved at climate summit in Cancun was a "big step" that exceeded expectations.
Last Updated: Friday, January 29, 2010, 21:03
U.N. climate chief Yvo de Boer says recent scandals over climate data are unfortunate but don`t discredit the view that the earth is warming and humans must act.
Last Updated: Monday, November 23, 2009, 19:46
The UN`s top climate negotiator voiced optimism Monday that a deal can be salvaged next month at world talks on global warming, but said US President Barack Obama must offer a target and financing.
Last Updated: Monday, November 2, 2009, 18:33
Developing countries don`t trust wealthy nations` promises that they will help them meet the challenges of climate change, the UN`s top climate official said Monday.
more videos >>
