The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Watch the 2025 Doomsday Clock announcement on January 28


Seth Klein

Seth Klein is the team leader and director of strategy with the Climate Emergency Unit. He previously served as the founding director of the British Columbia office of the Canadian Centre for Policy Alternatives, Canada’s foremost social justice think tank. He is now a freelance policy consultant, speaker, researcher and writer, and author of A Good War: Mobilizing Canada for the Climate Emergency. Seth is an adjunct professor with Simon Fraser University’s urban studies program.