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

Tom Z. Collina

Tom Z. Collina is a national security expert and award-winning author. He is the former Director of Policy at Ploughshares Fund and an author, with former Defense Secretary William Perry, of The Button: The New Nuclear Arms Race and Presidential Power from Truman to Trump.

Articles by Tom Z. Collina

Question for the candidates: How many nuclear warheads does the United States need?

By Tom Z. Collina | Nuclear Weapons

Trump could win back the nuclear codes. Biden should put guardrails on the nuclear arsenal—now.

By Tom Z. Collina | Nuclear Weapons, Opinion

Trump’s COVID infection shows why it’s time to retire the nuclear football

By Tom Z. Collina | Biosecurity, Nuclear Weapons, Opinion

cover of the book The Button

The Atomic Titanic: an excerpt from “The Button”

By William J. Perry, Tom Z. Collina | Nuclear Weapons