Researchers describe global catastrophic risks from artificial intelligence, asteroid and comet impacts, climate change, nuclear war, pandemics, and supervolcanoes, including causes, likelihood, consequences, uncertainties, and possible changes. //

This report summarizes what is known about the risks associated with six threats and hazards: artificial intelligence; asteroid and comet impacts; sudden and severe changes to Earth's climate; nuclear war; severe pandemics, whether resulting from naturally occurring events or from synthetic biology; and supervolcanoes. //

Global-Health Global-Security Global-Climate-Change Space-Science-and-Technology Emergency-Preparedness Artificial-Intelligence Natural-Hazards Public-Health-Preparedness Nuclear-Weapons-and-Warfare