We Must Prevent

What We Cannot Cure

Guided by the values and expertise of medicine and public health, we work to protect human life from the gravest threats to health and survival.

Recent News

The Fuel that Powered Fat Man and Little Boy

Professor John Warnock explains the bombs used in Hiroshima and Nagasaki.

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Nonprofit helps protect Tucson homeowners in solar purchases

Tucson-area homeowners can get help buying rooftop solar systems from a nonprofit that sets up buyers’ cooperatives to make sure consumers get a fair deal.

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Thinking of Putting Solar on Your Rooftop? Now’s the Time!

Our friends at Solar United Neighbors of Arizona have good news for those hoping to go solar: the price is right.

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What Did Oppenheimer Say After the First Atomic Test?

Welcome to the first in a series of columns about the people, places, issues, and, in general, darkly captivating history of the Nuclear Age, as written by John P. Warnock.

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Welcome to PSR Arizona

Currently we focus our efforts on nuclear weapons treaties, climate change action, and promotion of renewable energies, especially solar energy. We collaborate with a number of other peace and environmental organizations in our communities.