The Rural Price Tag of California’s Clean Energy Transition

The State Is Scrambling to Find Places to Store Energy—But Even Renewable Sources Make an Environmental Impact

In the spring of 2019, residents of eastern California’s Owens Valley were on the fight. As is usual in that part of the world—where a century of aggressive water extraction by the Los Angeles Department of Water and Power has left the valley dry—they were angry about a water project dreamed up by some Southern Californians.

But this was a new kind of fight. Premium Energy Holdings LLC, a small, Walnut-based energy company, had filed for a preliminary federal permit to explore the development of an enormous pumped energy storage facility …

Keep California’s Last Nuclear Plant Running

A Proposal to Retrofit San Luis Obispo’s Diablo Canyon Carries Big Risks—and Big Opportunities

California can claim to be an international leader in energy.

Or California can close its last operating nuclear power plant.

But it can’t do both.

Under a 2018 agreement, Diablo Canyon Power Plant, …

Sixteen Years After His Death, a Renowned Environmentalist Won His Longest Fight

David Brower, Founder of Friends of the Earth, Spent His Career Negotiating Between Nature and Power

Earlier this year, Pacific Gas & Electric Company, which built and operates the Diablo Canyon nuclear reactors on the central California coast, announced that it will phase them out by …

Can a Public University Fix a City’s Achilles Heel?

UCLA Is Mobilizing Its Brains and Its Muscle to Make L.A. Energy and Water Independent

Can a university really help make its home city 100 percent independent on water and energy?

In Los Angeles, we’re going to find out. UCLA, where I’ve spent almost 50 years …

The Dramatic Shift in Our Climate Thinking

Quietly, We've Moved to Relying on Technological Innovation, Not Efficiency, to Save the Planet

In Paris, President Barack Obama and the leaders of 19 other countries made energy technology innovation the central priority of international efforts to address climate change. “The truth is,” said …

How Much Energy Do Buildings Use?

We Understand Car Emissions, but My Team Is Just Beginning to Measure the Efficiency of Homes and Offices All Over L.A.

In energy, we are learning how to make the invisible visible.

We now know that cities are responsible for 70 percent of the globe’s greenhouse gas emissions. We know …