UN climate deal hailed as 'important advance'
New accord will put all countries under the same legal requirements to control greenhouse gases by 2020 at the latest.
Climate funds pledged for poor countries
Rich nations pledge short-term funds to combat climate change in poor countries, but long-term funds remain doubtful.
Report: Global carbon dioxide output soaring
US department of energy says greenhouse emissions rose six per cent in 2010, far more than recent worst case scenario.
Debating global warming
Plenty of theories still doing the rounds, some undisputed and some that are dubious.
Global warming: an election issue after all?
For Obama, global warming could prove to be a surprise winner as a campaign issue.
Pricing pollution
Australia, one of the world's biggest polluters, has unveiled a radical move to tackle climate change, but will it work?
In Pictures
Cancun Climate 2010