Clean Development Mechanism

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

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

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

More than 175 corporations sign new statement demanding global emissions deal to limit temperature rise and build green economy

International Finance Corporation says scheme will help fund green startups in developing economies

Top climate official says carbon markets will continue to play role in global fight to curb emissions

Volumes fall, but higher price of credits means market value rises five per cent in first half of 2011

Two new guidelines should make it easier for under-represented countries to launch CDM-approved projects