worst case scenario

How Hot Will Things Get?

Identifying a realistic worst case scenario is complicated.

How hot will the world be in 2100? The answer partly depends on how much carbon we dump in the atmosphere between now and then. It also depends on how sensitive the climate system is to those emissions. Scientists have used 4.5 °C as the high end of the likely possibilities. That estimate derives from …

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“Facing Catastrophe”: A Roadmap to a Safer Future

Rob Verchick’s new book, “Facing Catastrophe: Environmental Action for a Post-Katrina World,” might help avoid future disasters like the Deepsea Horizon blowout. Verchick views wetlands, lakes, forests, and rivers as a kind of infrastructure, providing ecosystem services that are just as important as the services provided by other infrastructure such as roads and dams. For …

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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.

The Dangerous Hypocrisy of Elon Musk

Tesla CEO Elon Musk wants to slash government and regulations for a Trump administration—even though California regulations helped build his companies.

The Morning After

Given Trump’s victory, what can be done to save the planet?

California Must Not Abandon its Climate Leadership

California’s Low Carbon Fuel Standard has been successful. CARB should update the program without undermining its fundamental features.

NEPA in the Supreme Court (Part I)

A pending case could mean radical retrenchment of a foundational environmental law.

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.