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The Gerald Gentleman power station causes visible air pollution at iconic places such as Rocky Mountain National Park in Colorado. (Von Fumetti / CC BY 2.0)
Press Release March 4, 2026

Environmental Groups Sue EPA for Illegally Rejecting Colorado’s Emission-Reduction Plan

Groups challenge disapproval of state’s widely-supported regional haze plan

The coal fired power plant looms over the town of Colstrip, Mont. Montana’s Colstrip power plant is the largest emitter of toxic particulate matter of any plant in the country’s aging coal fleet. (Louise Johns for Earthjustice)
Press Release February 20, 2026

EPA Dismantles Protections for Mercury and Air Toxics From Power Plants

Advocates warn of more toxic pollution, asthma attacks, and premature deaths, especially in communities living near coal plants.

Emissions rise from a coal-fired generation station in Indiana. (Luke Sharrett / Bloomberg Creative via Getty Images)
Article February 18, 2026

Trump’s EPA Rolled Back the ‘Endangerment Finding.’ We’re Taking Them to Court.

The EPA revoked the finding that greenhouses gases threaten public health and welfare, then weakened vehicle emissions standards.

Attorney John Petoskey and activist Theresa Landrum on a tour of hazardous industrial sites in the Detroit Metro area encompassing Southwest Detroit, Delray, and River Rouge, for Earthjustice staff. (Brittany Greeson for Earthjustice)
Press Release: Victory February 17, 2026

SW Detroiters Celebrate $100M Penalty, Clean Air Wins in EES Coke Ruling

DTE and EES Coke were ordered to invest $20 million in community projects

document February 17, 2026

U.S. v EES Coke Ruling

A federal court ruled against DTE and EES Coke for violating the Clean Air Act by allowing a Zug Island facility to emit thousands of tons of sulfur dioxide that led to asthma and early death among residents. 

Earthjustice President Abigail Dillen speaks during a Climate Action Campaign press conference at the U.S. Capitol about the EPA’s plan to rescind air pollution regulations around greenhouse gases from transportation and fossil fuel power plants. (Alyssa Schukar for Earthjustice)
Press Release February 12, 2026

Trump EPA Repeals Endangerment Finding, Abandoning Responsibility to Protect Americans from Climate Pollution

By repealing the endangerment finding, EPA is rejecting settled law and science to benefit polluters

Deadly fine particulate matter pollution, also known as soot, comes from tailpipes, smokestacks and industrial power plants. Breathing soot can cause premature death, heart disease, and lung damage. (Chris Jordan-Bloch / Earthjustice)
Press Release February 11, 2026

Trump EPA Misses Legal Deadline to Reduce Deadly Air Pollution

Broad coalition of groups condemns illegal inaction, puts EPA on legal notice

document February 10, 2026

Notice of Intent Letter to Sue for Failure to Designate Areas Under 2024 NAAQS

Nearly 20 health, community, and environmental groups around the country officially put the EPA on notice of their intent to pursue legal action unless the EPA issues the overdue designations required under the 2024 National Ambient Air Quality Standard limit for PM2.5, also known as soot.

document January 26, 2026

Montana Regional Haze Petition

The National Parks Conservation Association, Montana Environmental Information Center and Sierra Club filed a challenge to EPA’s approval of Montana’s “regional haze” plan.

The Trump administration illegally ordered this coal-fired power plant in Washington State to stay open past retirement in December 2025. This is part of a broader policy to prop up coal that is driving up electricity costs. (Steven Baltakatei Sandoval / CC BY-SA 4.0)
Press Release January 14, 2026

Public Interest Groups Challenge Trump Administration Order to Keep Washington’s Last Coal Plant Operating

DOE’s order disrupts a long-planned shutdown of a coal plant in Centralia, Washington, designed to provide state residents with cleaner air and affordable, reliable, clean energy

Press Release January 9, 2026

EPA Rejects Colorado’s Regional Haze Plan, Including Coal Plant Retirement Dates

Trump administration continues to undermine Colorado’s efforts to turn the page on coal

document January 5, 2026

Ash Grove Notice of Appeal

The Duwamish River Community Coalition and Front and Centered, represented by Earthjustice, filed an appeal seeking to overturn a regional air agency decision allowing the Ash Grove Cement Company to burn more tires for fuel at its Seattle plant.

Duwamish River Community Coalition Clean Air Program Manager and Climate Policy Analyst, Mia Ayala-Marshall, speaks during a protest in front of the Puget Sound Clean Air Agency as they fight a permit modification proposal that would allow the Ash Grove Cement Company to burn more tires at its facility along the Duwamish Waterway in Seattle on Friday, Nov. 21, 2025. (Jason Redmond for Earthjustice)
Press Release January 5, 2026

Groups File Appeal to Limit Tire Burning for Fuel at Seattle Cement Plant

Community groups seek to overturn an illegal air permit that would allow more tire burning resulting in severe health harms to nearby residents

document December 18, 2025

EPA Abandoning Its Defense of the Soot Standard: Opposition Letter

106 groups oppose EPA abandoning its defense of national health-protective pollution standards for fine particulate matter, also known as PM2.5 or soot.

A refinery is seen at sunset on June 18, 2025 in Houston, Texas. (Brandon Bell / Getty Images)
From the Experts December 17, 2025

Breathing the Consequences: EPA’s Refusal to Implement Strengthened Soot Standard Endangers Public Health

A February 2026 deadline calls for EPA to address air pollution from soot, but it appears the agency has taken few steps, if any, to do so.

document December 17, 2025

Assessing 2024 PM2.5 Standard Implementation So Far: Who’s on Track to Get Clean Air and Who’s Left Behind

In 2024, the U.S. Environmental Protection Agency (EPA) adopted a rule that would initiate a series of actions to reduce exposure to harmful levels of fine particulate matter. This paper assesses where EPA stands in the process of implementing that rule and shines a light on why it is so important to faithfully implement it, as Congress mandated EPA to do under the Clean Air Act.

The Washington County courthouse in Jonesborough, Tennessee.
(Joel Carillet / Getty Images)
From the Experts December 15, 2025

The Laws Still Exist, the Consequences Don’t: America’s Vanishing Environmental Enforcement

With environmental enforcement at a historic low, it’s open season for polluters.

document December 10, 2025

Opposition to H.R. 6373 (Air Permitting Improvements to Protect National Security Act)

The legislation would undo longstanding protections under the Clean Air Act, undermine children’s health, and institutionalize a dangerous precedent of executive overreach under the pretext of “national security.”