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

Watch the 2025 Doomsday Clock announcement on January 28


Joshua Handler

Joshua Handler was a campaign coordinator at Greenpeace from 1988 to 1996. He is currently working on a Ph.D. at Princeton University’s Woodrow Wilson School.


Articles by Joshua Handler

North Korea’s Nuclear Program, 2003

By Robert S. Norris, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

The B61 Family of Bombs

By Robert S. Norris, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

Israeli Nuclear Forces, 2002

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

Russian Nuclear Forces, 2002

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

U.S. Nuclear Forces, 2002

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

India’s Nuclear Forces, 2002

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook
shutterstock_174512948.jpg

Pakistan’s Nuclear Forces, 2001

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

British Nuclear Forces, 2001

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

Chinese Nuclear Forces, 2001

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

French Nuclear Forces, 2001

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

Russian Nuclear Forces, 2001

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook

U.S. Nuclear Forces, 2001

By Robert S. Norris, William M. Arkin, Hans M. Kristensen, Joshua Handler | Nuclear Notebook