The Copenhagen summit
United Nations Secretary-General Ban Ki-moon has defended the results of the Copenhagen climate change talks as a significant step toward a binding agreement, despite criticism from world leaders that the process was flawed. > More
What is the summit?
Environment ministers and officials from 192 countries met in Copenhagen for a United Nations conference on climate change between Dec. 7 and 18.
Virtually all of the world's leaders — including Prime Minister Stephen Harper, Chinese Premier Wen Jiabao and U.S. President Barack Obama — participated in person.