Paris climate change agreement enters into force
Environment groups hail ‘momentous occasion’ but warn governments need to cut carbon emissions more steeply to avoid dangerous global warming
Friday 4 November 2016 02.35 GMT
The passage of the accord – the fruit of more than two decades of often tortuous international negotiations on combating climate change – was hailed by nations and observers around the world.
Under the agreement, all governments that have ratified the accord, which includes the US, China, India and the EU, now carry an obligation to hold global warming to no more than 2C above pre-industrial levels. That is what scientists regard as the limit of safety, beyond which climate change is likely to become catastrophic and irreversible.