Recent News
Trick Question: Can Nuclear Reactors Explode?
What the difference is between a nuclear reactor and a nuclear bomb? At the most fundamental level, no difference: both get their energy from nuclear fission.
Rep. Watson Coleman, Sen. Sanders Introduce WATER Act to Improve Water Safety, Affordability, Access
Insider NJ article quoting PSR Arizona Executive Director Barbara H. Warren, MD, MPH.
The Fuel that Powered Fat Man and Little Boy
Professor John Warnock explains the bombs used in Hiroshima and Nagasaki.
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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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.