China has sought to justify president Xi Jinping giving a written statement to the COP26 summit on Monday rather than speaking in person, arguing that he had not been given a chance to deliver a video address

Signing the Paris Agreement to fight climate change was one of my proudest moments in office. But it was always a foundation to build on. As world leaders gather for COP26, I shared some reflections on the road to Paris and the young activists who are pushing us further.