A deal in Poland that draws a hard line between developed and developing countries may be unacceptable to future administrations - Democratic or Republican
US President sceptical of research from his own administration suggesting climate change will cost US economy billions of dollars
US National Climate Assessment details climate change impact - current response to crisis is insufficient, authors say
BusinessGreen brings you this week's green business news from around the world
Jared Polis' promise to phase out fossil fuel electricity by 2040 would be the fastest target in any state
Global green fund gets back on track with $1bn splurge, but US vetoed a project that would have loaned $100m to China
BusinessGreen brings you this week's green economy headlines from around the world
Danish energy giant set to spend $510m on US rival in bid to expand its North American business
Electrify America's new $200m in funding will include charging for bus depots, ride-hailing services and disadvantaged communities
Washington Post reveals draft statement accepts risk of extreme climate change, and uses it to argue there is no point trying to curb emissions