On February 1, 2016, an international group of scientists, conservationists and philanthropists urged California's leaders and Pacific Gas & Electric to do all in their power to Save Diablo Canyon Power Plant so it can provide clean electricity for decades to come.

Signers include former NASA climate scientists James Hansen; Santa Clara University conservation biologist Michelle Marvier; 1976 Nobel Prize winner Burton Richter; President Emeritus of the Missouri Botanical Center; Pulitzer-Prize winning historian Richard Rhodes; and Whole Earth Catalogue Founder, Stewart Brand.