News

Is ‘Small Nuclear Power’ the Answer to Arizona’s Growing Need for Electricity?

February 23, 2026

The Arizona Corporation Commission wants you to join the conversation at a workshop February 24 on how advanced nuclear technology might help satisfy the state’s hunger for power.

PSR Lawsuit in the Works Over Trump’s EPA

February 12, 2026

Greenhouse Gas Is No Longer a Concern, Trump Assures. Says PSR: “We’ll See You in Court”

4 Seconds to Doomsday. Not Very Comforting.

January 27, 2026

The 2026 Doomsday Clock is now reading 85 seconds to midnight, four seconds closer than last year’s record of 89 seconds. And, today is Downwinder Day.

Tick-Tock, the Doomsday Clock Speaks

January 26, 2026

Tomorrow at 8 a.m. (MST), the Bulletin of the Atomic Scientists will reveal the time on the dial of the 2026 Doomsday Clock live on the Bulletin‘s YouTube channel.

Staying Healthy, Despite the Odds from the Trump Administration 

January 5, 2026

In this newsletter: Trump wants to weaken nuclear power safeguards, RFK Jr Must Go, and Smog in Phoenix

Arizona’s Energy Future in the Spotlight

December 1, 2025

PSR Arizona with Climate Tucson is keeping tabs on the new fascination with the nuclear option as the state faces the challenges of data centers, AI, and energy demand grows with the population.

Trump Calls for Immediate Resumption of Nuclear Testing

October 30, 2025

“This will undoubtedly trigger response by other countries that have nuclear weapons.” -Ira Helfand

New Thriller with a Dire Message Now on Netflix

October 26, 2025

Kathryn Bigelow, Oscar-winning director of “The Hurt Locker” and the acclaimed and controversial  “Zero Dark Thirty,” two films about the darkness of modern battle, is now targeting a war she grew up with as a 73-year-old filmmaker: the Cold War and its nuclear legacy. 

PSR Launches 11-week Training on Nuclear Health Risks and Advocacy

October 25, 2025

In April this year, Ira Helfand, co-founder of PSR and past president of International Physicians for the Prevention of Nuclear War (IPPNW), offered a chilling assessment to the audience gathered…

Celebrate National Energy Efficiency Day with Rebates from the Governor’s Office

October 1, 2025

Deals on buying energy- and climate-friendly appliances and other home-related upgrades are still available through the Arizona Clean Energy Hub, a program from Gov. Hobbs’s Office of Resiliency.