Quiet week sees carbon prices dip as a result of worse than expected US unemployment figures
Poland has been pushing to have its carbon cap raised while environmentalists claim that carbon markets are deeply flawed
Controversial debate re-opened as government watchdog argues carbon rationing would prove more effective than carbon taxes
In high-risk move, Democrats vote Boxer-Kerry through key Senate committee despite Republican boycott
Lisa Ashford of EcoSecurities takes the temperature of the carbon offsetting sector and finds it in remarkably rude health despite the recession
Metals, building materials, textiles and ceramics could all receive free pollution permits to help tackle threat of "carbon leakage"
Carbon markets have been hijacked by speculators and should be replaced with direct taxation, says Friends of the Earth
Prices largely unchanged as voluntary carbon market continues tentative recovery
Democrats insist the show must go on, despite Republicans' refusal to attend mark-up meetings
Report predicts that recession, coupled with failure to deliver a strong deal at Copenhagen, will result in a lower-than-expected carbon price