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There is great beauty in this world,

and we must work to protect it.

San Luis Obispo Mothers for Peace is a non-profit organization concerned with the local dangers involving the Diablo Canyon Nuclear Power Plant, and with the dangers of nuclear power, weapons and waste on national and global levels. Additionally, Mothers for Peace works to promote peace and a nuclear-free, carbon-free world, utilizing conservation and sustainable resources.


Educate yourself:

Diablo CanyonThis nuclear power plant has been dubbed California's Fukushima, a video by Business Insider Australia

Fact Sheet: Once-Through Cooling, aka OTC

OTC video


Fact Sheet: Myths of the Nuclear Industry




Read about the NRC "scoping" for license renewal

The Nuclear Regulatory Commission is reviewing the PG&E application for license renewal for Diablo Canyon Nuclear Power Plant.  As part of the review, a site-specific supplemental Environmental Study must be prepared.  The NRC took "scoping" comments to identify environmental issues to be addressed. Mothers for Peace submitted comments both in writing and at the August 5 meeting held in San Luis Obispo.


In the News:


Mothers for Peace Pushes Back Against Diablo Relicense Renewal at Hearing at NRC Headquarters in Maryland

Read more!

PG&E Fails Safety Test AGAIN - 19 dry casks loaded improperly!

Dry casks

Read more about this "gap in excellence" (Ed Halpin) and the Region IV annual assessment meeting of Diablo Canyon Nuclear Power Plant which took place on June 24, 2015. at and on our Blog .



newsletter logo

Fall 2014

Sam Blakeslee Criticizes PG&E's Seismic Safety Report

December 3, 2014: Sam Blakeslee severely criticizes PG&E's report on the seismic safety of Diablo Canyon at a Hearing called by Senator Barbara Boxer. Blakeslee is the former leader of the California State Senate and earned a Ph.D. from University of California, Santa Barbara for his research in seismic scattering, micro-earthquake studies, and fault-zone attenuation.

Read his complete statement.


Diablo Canyon in Peril?

Diablo domes

Former Nuclear Regulatory Commission senior resident inspector at Diablo Canyon, Dr. Michael Peck, argues that the plant should be shut down until

PG&E can prove that the reactors can withstand potential earthquakes from the nearby faults.


8/25/14 AP report: The Associated Press.

Dr. Peck's Differing Professional Opinion: document

Friends of the Earth:

FOE's petition


radioactive ocean

Woods Hole Oceanographic Institution is analyzing samples of seawater, looking for radioactive contaminants from Fukushima.

Mothers for Peace is sponsoring sample collections at Pismo Beach.   You can find all current results at



Watch "The Nuclear Fuel Chain - A Primer" at



Donate Now

You have an option to create an account with Razoo, but it is not required.
You may also donate by check:
San Luis Obispo Mothers for Peace
P.O. Box 3608
San Luis Obispo, CA 93403
(805) 773-3881