Rahmstorf, Stefan Potsdam Institute for Climate Impact Research;
https://www.realclimate.org/index.php/archives/2021/04/two-graphs-show-the-path-to-1-5-degrees/ (Publisher version)
Rahmstorf, S. (2021): Two graphs show the path to 1.5 degrees, (RealClimate Blog ), Washington, DC : Science Communication Network.