Carbon Trading

Landmark ruling strengthens president's ability to deliver climate change deals in both Washington and Copenhagen

Anger over decision to bar 10 Chinese wind energy projects from entering UN-approved carbon offset scheme

Short-haul operators and inefficient airlines likely to see profits hit by inclusion in EU emissions trading scheme

Danish government joins UK, France and Netherlands in imposing new rules to tackle "carousel fraud"

Energy firms predict further increases in carbon price are imminent if phase three allowances are not auctioned earlier

Climate bill defeated in 41-33 vote, as government insists it will put the bill before the Senate for a third time on Friday

Uncertainty over Copenhagen leads to slow trading week

Early election on the cards after new opposition leader vows to block cap-and-trade bill

Failure to pass bill could lead government to call snap election

Chief executive says falling carbon price stifling investment