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

Watch the 2025 Doomsday Clock announcement on January 28


Chris Paola


Chris Paola is professor of geology and geophysics at the University
of Minnesota, Minneapolis and former director of the National Center for
Earth-Surface Dynamics, an NSF Science and Technology Center devoted to
creating and communicating insight about the processes that shape the
surface of Earth.