Since the Paris Agreement coming into force in 2016, world leaders have increasingly emphasized the need to keep warming to the 1.5°C target by the end of this century, in order to avoid more dangerous impacts from climate change. Yet temperature readings around the globe show that the world has already warmed by roughly 1°C on average above pre-industrial levels. Many models suggest we will very likely exceed 1.5°C of warming, possibly in the next 5-10 years, in the absence of aggressive wor...