Clean Energy Policy PG&E supports the decarbonization of California’s economy through timely, durable, environmentally effective and least-cost policy and energy solutions and remains committed to We Are Still In In the wake of the Trump Administration’s decision to withdraw from the Paris climate accord, PG&E Corporation signed on to the We Are Still In letter—joining over U.S. governors, mayors, businesses, investors, and colleges and universities to express our support for the continued commitment of the United States to bold action on climate change.