Carbon Trading

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

Move prompts call for European ban, as Clean Development Mechanism also adopts new validation procedures and rules for HFC credits

Analysts say record lows could worsen if Eurozone debt crisis escalates

Chair of Energy and Climate Committee says the tax could be used to encourage compliance with EU efforts to cut aviation emissions

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

Trade body chief says action could be taken before the end of the year

Chinese official says country will stop destroying harmful greenhouse gas if carbon credits it generates are outlawed

European Commission insists sale of 300 million carbon permits to fund clean energy projects cannot be delayed until markets recover

Battle over bringing aviation emissions into Europe's cap and trade scheme heats up with declaration in Montreal

26 nations expected to sign resolution calling for exclusion of non-EU airlines from planned emissions levies