California water policy

Desalination: An Essential Part of California’s Water Future

Coastal Commission’s Recent Rejection of Huntington Beach Desalination Project Misguided

Let me begin this commentary with a disclaimer: I was an early and strong proponent of Proposition 20, the successful 1972 California voter initiative measure that enacted the Coastal Act and created the California Coastal Commission (albeit temporarily). I supported with equal enthusiasm the state Legislature’s 1976 enactment of legislation making both the Coastal Act …

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A big news week for the Sacramento-San Joaquin River Delta

This has been a significant news week for California’s delta. On Wednesday, California’s Natural Resources Agency endorsed a plan for a water tunnel system to bypass the Sacramento-San Joaquin River Delta, coupled with a habitat restoration plan for the Delta. Bettina Boxall’s story in today’s Los Angeles Times has the details. Many environmental groups …

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The trouble with Chinatown

Ann proposes Chinatown as the greatest environmental movie of all time. Now, Chinatown is my favorite movie: the poster above is currently hanging on my office wall. it is a great movie. But Chinatown can’t be a great environmental movie for one simple reason: It gets the environment wrong. The conceit of Chinatown is that a diabolical …

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Reflections on “Yes they can control the weather.”

Marjorie Taylor Greene is wildly wrong about government scientists controlling hurricanes. There is a rich history of weather modification experiments that make that false claim more dangerous.

Why You Should Read CA’s ExxonMobil Plastic Lawsuit

California’s lawsuit against ExxonMobil for lying about plastic recycling is the latest example of the state using old-fashioned legal tools to address more modern harms.

The Election, Vehicle Emissions, and State Climate Plans

If the California car waiver survives a possible Trump presidency, we may have the overruling of Chevron to thank.

How to Make Trees Worth More Standing Than Cut Down

The Katoomba Group is celebrating 25 years of pioneering new approaches to realizing value in nature. Here’s what we’ve learned.

Climate, Energy, and Environment on the Ballot

Ballot measures in Washington and California are especially important but others are worth noting.

Model Uncertainty in Politics and Climate Policy

The polls could be systematically off, not just due to random error. That’s a worry with climate models as well.

Still Crazy After All These Years

There’s been an alarming growth of conspiracy theories, often antisemitic ones, to explain extreme weather events.

We Need a Circular Economy for EV Batteries

California got close to making suppliers ensure EV batteries are managed responsibly at end of life. Here’s why 2025 should be the year California creates a circular economy for EV batteries.

The Dangerous Embrace of Convenient Narratives Over Inconvenient Truths

As it turns out, Nature doesn’t care what stories you post on social media or spin on TV.

New Environmental Laws Focus on Public Health

Many of the environmental-focused bills that the governor signed this year involve ways to alleviate the health disparities faced by frontline communities.