Three reasons to be cheerful about limiting global warming to 1.5 degrees

There can be no doubt that the window of opportunity to limit global warming to below 1.5℃, a key target of the 2015 Paris agreement, is closing fast. But there are encouraging signs around the world that this can still be done, even if there is still a very long way to go. Climate Analytics’ Andrzej Ancygier and Bill Hare discuss three of the most positive developments that will help the world reach its target.