Chinese official says country will stop destroying harmful greenhouse gas if carbon credits it generates are outlawed
Battle over bringing aviation emissions into Europe's cap and trade scheme heats up with declaration in Montreal
Opposition leader makes 'blood oath' to repeal controversial carbon tax
26 nations expected to sign resolution calling for exclusion of non-EU airlines from planned emissions levies
House of Representatives approves bill to fine carriers that comply with EU plans for aviation carbon trading
Regulators approve long-awaited state-wide emissions trading scheme
California Air Resources Board expected to confirm launch plans for cap-and-trade scheme
Country set for carbon trading from 2015 as Green and independent MPs support prime minister Julia Gillard's proposals
Industrial and energy giants to face binding emissions reduction targets
Who said what in the world of green business this week