Agreement clears first hurdle as major emitters submit emission targets to UN
White House announces target to cut federal greenhouse gas emissions 28 per cent by 2020
From jet engine wind turbines to dubious algae, we run down the top stories this week
All eyes now on BASIC countries as US beats deadline and submits target to cut emissions 17 per cent by 2020
Brussels diplomats finalise submission for Copenhagen Accord, agreeing to keep pledge to raise emissions target if others do likewise
New interpretive guidance increases pressure on companies to include assessment of climate-related risks and opportunities in annual reports
He might not have said much about climate change, but president Obama's State of the Union address made it clear he is pushing forward with climate legislation
Former opposition leader Malcolm Turnbull set to defy party and back government in crucial climate bill vote
With a flurry of submissions to the Copenhagen Accord expected over the next few days, business groups signal their support for ambitious emission targets
Environment secretary argues that new report will highlight economic costs associated with soaring levels of biodiversity loss