MATS rule Archives - Legal Planet

MATS rule

The Curious Case of EPA’s Mercury Cost-Benefit Decision

What, exactly, is EPA up to by changing the underlying analysis of the Mercury and Air Toxics Standard (known as the MATS rule), as it announced yesterday? Is it the first step in gutting the use of cost-benefit analysis to support strong environmental regulations? Is it a gift to Murray Energy in its lawsuit seeking …

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MATS Rules Declared Invalid in Michigan v. EPA, 5-4

Opinion by Scalia Based on Meaning of “Appropriate”

The U.S. Supreme Court today struck down EPA’s rules governing toxic emissions from power plants. My first take on the opinion, by Justice Scalia, is that while the outcome is bad for the agency, the reasoning appears not to be a radical departure from existing doctrine, with one worrisome tidbit thrown in. Justice Scalia used …

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Will Obama Get a Fourth Major Victory Tomorrow in Michigan v. EPA?

Decision Expected Tomorrow, Written by Someone Other than Scalia

Though the monumental decisions on health care and marriage equality are behind us, tomorrow remains another big day in the Supreme Court. Three cases remain undecided: Glossip v. Gross (whether Oklahoma’s execution methods are unconstitutional); Arizona State Legislature v. Arizona Independent Redistricting Commission (whether a state commission can draw Congressional electoral lines) and Michigan v. …

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What’s at Stake in Michigan v. EPA, the U.S. Supreme Court Hazardous Air Pollutant Case?

Decision expected in next few days

Although King v. Burwell (the Affordable Care Act case) and Obergefell v. Hodges (the same sex marriage case) are garnering more attention, sometime between tomorrow and Monday the Supreme Court will also hand down its decision in Michigan v. EPA. In the Michigan case, the Court will decide whether EPA’s Clean Air Act rules to regulate hazardous air pollutants …

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Climate policy is changing rapidly. Stay in the loop with expert analysis via email Monday - Friday.

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.

MATS rule

Opinion by Scalia Based on Meaning of “Appropriate”

Decision Expected Tomorrow, Written by Someone Other than Scalia

Decision expected in next few days

Join Our Mailing List

Climate policy is changing rapidly. Stay in the loop with expert analysis via email Monday - Friday.

TRENDING

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

The global transformation to an economy fueled by clean energy can’t be stopped. Trump could slow down U.S. progress though.

New CLEE Report Identifies Key Challenges and Opportunities in the State’s Adaptation Funding Landscape

Laws like the Inflation Reduction Act may have more sticking power than regulations.

New CLEE Report Release & Webinar on Wednesday, November 13th at noon PT

Several California laws prohibiting dangerous chemicals from household products go into effect on or after January 1, 2025.

Pretty or scary or brave? There’s a climate costume to suit all tastes and all ages.

Reframing Infrastructure Investments to Realize an Equitable Transition

The Presidential, Senate & House elections will have immense repercussions in terms of energy and environment.

A Trump victory would increase the odds that we will ultimately need to start blocking solar radiation as a last resort to limit climate change.