G8

Report argues developed nations would need to share expense of aggressively reducing CO2 levels

Chief UN negotiator insists meaningful climate deal can be reached, despite limited progress at G8 meeting

Ban Ki-Moon hits out at developed nations' failure to deliver more demanding short-term emission targets

But commitment to cut emissions by 80 per cent is overshadowed by continuing stand-off with emerging powers

Ex-prime minister calls for increased focus on energy efficiency and forestry, while Obama works towards breakthrough in climate talks

Cutting global emissions by 50 per cent by 2050 would cost just three per cent of GDP

As G8 leaders prepare to discuss launch of $10bn cleantech fund, India commits to increased investment in solar power and energy efficiency

Former prime minister delivers report on how to break deadlocked international climate negotiations

100 multinationals call on G8 to deliver post Kyoto deal based on " unambiguous" commitment to cut greenhouse gas emissions in half

Prime minister Yasuo Fukuda announces plans to cut emissions by up to 80 per cent by 2050