WWF supporters gather around image of the Earth picked out in candles
Media playback is unsupported on your device
Video

UN urges climate change deal at Mexico summit

UN Secretary-General Ban Ki-moon has called for a compromise deal to be reached at climate change talks in Mexico.

World leaders failed to reach a deal at last year's UN summit in Copenhagen, and Mr Ban told delegates in Cancun the world could not wait for "the perfect agreement".

Richard Black reports from Cancun.

  • 08 Dec 2010