AB32

California’s Climate Leadership: A Timeline

California embraced climate action 2002 and has never looked back since.

The Golden State has adopted a slew of climate change laws over the past twenty years, and an even greater number of regulations . To help you keep track, here is a timeline of California’s most important actions. 2002 SB1078. California established first renewable portfolio standard (20% from renewables by 2010). AB 1493 (Pavley …

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California cap-and-trade a topic of interest at Durban

California’s cap-and-trade program for greenhouse gas emissions has gotten some interest here at the climate change negotiations in Durban. At a discussion of Australia’s new carbon pricing program, panelists discussed how Australia considered California’s economic modeling of cap-and-trade during the development of Australia’s system. And a panel on linking between different carbon and offset markets, …

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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.