So a deal has been struck! A momentous occasion and the first time that so many companies have come together on something since the second world war. But what does it mean practically? And is it enough? What changes do you think we’ll see in New Zealand to meet this grand target?
Two decades of talks have come to this: an ambitious agreement to hold states to emissions targets – but already low-lying countries are worried.
Governments have signalled an end to the fossil fuel era, committing for the first time to a universal agreement to cut greenhouse gas emissions and to avoid the most dangerous effects of climate change.