Dear friends,The Russian invasion of Ukraine is already proving to be an event of profound importance for global catastrophic risk. As detailed in the GCRI Statement on the Russian Invasion of Ukraine, the war’s implications for nuclear war risk are especially strong, but it also has implications for other risks including climate change, pandemics, and artificial intelligence. These changes are coming from the war itself and from the accompanying shifts in global politics. We at GCRI hope that the war can reach a prompt and peaceful …