Kyoto

Stakes raised at Durban as Brazil admits there is no future for UN's carbon trading system without new agreement

Negotiators insist a binding deal must include developing countries, while reports suggest US may bail on $100bn climate fund

China slams Canada for undermining global efforts against climate change following reports it will pull the plug on Kyoto

Environment minister Peter Kent refuses to confirm or deny country’s position on global emissions treaty

UN climate chief quotes Nelson Mandela in opening address: "It always seems impossible until it is done"

Durban must provide business with sufficient clarity to invest in green technologies, says energy secretary

Energy and climate change secretary sets out hopes for next week's Durban climate summit and the role business can play

Jacob Zuma says COP17 must establish $100bn Green Climate Fund and determine future of Kyoto Protocol

Chemicals commonly used in air conditioners and fridges have global warming potential 11,700 times higher than CO2

Ahead of critical talks and despite pledge for new treaty by 2012, biggest economies privately admit likelihood of long delay