30 mayors of megacities in C40 Cities Climate Leadership Group call for greater collaboration with G20 leaders towards climate change action
President slams climate sceptic Republicans as he unveils raft of new initiatives to help Western US tackle climate impacts
Leading economies must do more to curb coal use and ramp up clean energy deployment, according to new report released ahead of key summit this weekend
Local media reports suggest Brazil, the US and China could all formally approve Paris Agreement in the coming weeks
Institutional investors with $13tr of assets under management call on world's largest economies to accelerate low carbon transition
The Bahamas deposited its instruments of ratification for the global climate deal with the UN on August 22
A decade on from the Stern Review its central arguments remain as influential ever, so is its author frustrated or excited by the progress the green economy has made in the intervening 10 years
Due in 2018, the report will set out the feasibility of limiting rise in temperatures to 1.5C as well as the enormous changes needed to achieve the target
Some 57 countries representing almost 60 per cent of global emissions set to ratify before year end, triggering Paris Agreement into law
Two degrees target will "inevitably" mean tighter restrictions on oil and natural gas, Chatham House paper argues