As geopolitical tensions rise in nuclear- armed states, scientists are modelling the global impact of nuclear war. “The surprising finding”, says Jägermeyr, “is that even a small-war scenario has devastating global repercussions”.

We hear a report by Dieter Engels on a recent article in Nature (Vol 579,26 March 2020) on this topic. In the round-table discussion we want to discuss the consequences related to this.