The atmosphere, the Paris Agreement and global governance

Abstract

The 2015 Paris Agreement on climate change set a remarkable precedent for speed of entry into force of a global treaty. With the threshold of 55 parties and 55% of greenhouse gas emissions being reached within a year of its adoption, the agreement entered into force before the following Conference of the Parties (COP22) in Marrakech (November 2016). By the end of COP22 there were over a hundred ratifications. This was both a vote of confidence in the agreement and a sign of the strong international commitment to tackle climate change. Less obvious is the fact that the agreement reflects a new model of international governance of climate change, in which the role of the central legal instrument has changed. It is yet to be tested, but these early signs of confidence augur well.