Is climate change the biggest threat we face?

It poses the broadest systemic risk to food, water, health, migration, conflict, and economic stability worldwide.

It presents an unprecedented systemic risk to the global ecosystems, food supply, and habitable areas that sustain human civilization.

It's a grave long-term threat, but nuclear war, engineered pandemics, and unaligned AI pose comparably catastrophic and faster-moving risks, so no single threat clearly tops the list.