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Momentous Change Enables More Plutonium at Livermore Lab

National Nuclear Security Administration Decision Circumvents Public Environmental Review, Increases Radiation Doses, and Must Be Retracted

Tri-Valley CAREs Joins Fellow Plaintiffs to Tour Savannah River Site’s Plutonium “Pit” Bomb Core Plant

On April 21, Tri-Valley CAREs’ Nuclear Policy Program Director, Tanvi Kardile, accompanied by other plaintiffs Savannah River Site Watch and Nuclear Watch New Mexico, toured the plutonium “pit” bomb core production plant at the National Nuclear Security Administration’s (NNSA’s) Savannah River Site (SRS) near Aiken, South Carolina.

Your Year-End Donation to Tri-Valley CAREs – Now Doubled!

Tri-Valley CAREs had an amazing 2025! In a time when the risks posed by nuclear weapons are growing, Tri-Valley CAREs work is more important than ever. Our staff, board and volunteers have made great strides in 2025 (click here for staff highlights). To read more about our year, here’s a letter from our Executive Director Scott Yundt.

Livermore Lab Uses Trump Executive Order Gutting Environmental Laws to Push Through Enhanced Plutonium Utilization without Public Input

A November notice from the U.S. Department of Energy’s (DOE) National Nuclear Security Administration (NNSA) erases the previously announced public involvement requirement and thereby fast-tracks increased plutonium use at its Lawrence Livermore National Laboratory after decades of limits protected the public from potential risks.

Tri-Valley CAREs Traveled to Nevada to Oppose Potential Resumption of Nuclear Testing

On November 21st, Scott Yundt and Tanvi Kardile from Tri-Valley CAREs gathered at “Peace Camp” at the gates of the Nevada National Security Site (formerly known as the Nevada Test Site) to join other experts and activists from around the country in a display of opposition to Trump’s recent statement suggesting the US could conduct explosive nuclear tests at the site.

U.S. Tests ICBM Nuclear Warhead Delivery System from Vandenberg After Trump Amps Up Nuclear Testing Rhetoric

In the early morning hours of November 5, 2025 as election results dominated the news, Vandenberg Space Force Base launched a Minuteman III missile. This intercontinental ballistic missile (ICBM) is the current US ground-based nuclear warhead delivery system that sits in roughly 400 underground silos across five states.  It would target US adversaries in a full-scale nuclear war.

A Conversation about A House of Dynamite

Tri-Valley CAREs hosted a virtual watch party for the new Netflix thriller A House of Dynamite on October 27! We had important conversations about topics the movie brought up, such as missile defense, the fallacy of deterrence, and the importance for arms control...

Special Hybrid Meeting in Tracy & Zoom 9/18

Tracy Environmental Advisory Committee Tri-Valley CAREs Meeting WHEN: September 18 at 7:30 PM LOCATION: Workvine 209, 2311 North Tracy Blvd. Tracy, CA VIRTUAL MEETING LINK: http://bit.ly/4mMiGBD We will be proudly launching the Environmental Contaminant Map of the...

Nuclear Safety Oversight Under Threat!

The Defense Nuclear Facilities Safety Board (DNFSB or Board) has safety oversight authority over the nuclear facilities at the National Nuclear Security Administration (NNSA), including Livermore Lab’s plutonium and tritium facilities.  Without urgent action in the...

Confronting the Call to Resume Nuclear Testing

Confronting the Call to Resume Nuclear Testing

The United States conducted 1,032 explosive nuclear weapons tests, with its last being conducted underground at the Nevada Test Site in 1992. Four years later, President Clinton signed the Comprehensive Test Ban Treaty (CTBT), and despite never ratifying the treaty,...

Rooted in Community: Reflections from Tracy Earth Day

Rooted in Community: Reflections from Tracy Earth Day

On Saturday, April 27, Tri-Valley CAREs joined our friends and longtime collaborators at the Tracy Earth Project for their annual Tracy Earth Day celebration. People of all ages came out to connect with one another, learn about local environmental efforts, and take...

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