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During September, sockeye and coho salmon (Oncorhynchus nerka and kisuch) intermingle during their spawning migration in an Alaskan stream. (Thomas Kline / Design Pics)
Press Release November 8, 2023

U.S. Fishing Groups Sue Tire Manufacturers Over 6PPD Impacts on Salmon, Steelhead

6PPD interacts with ozone to create the highly toxic 6PPD-q

A coho salmon spawning in an Oregon river. (Bureau of Land Management)
Press Release August 15, 2023

Fishing Industry Groups Notify Tire Companies of Intent to Sue Over 6PPD Impacts to Salmon, Steelhead

6PPD interacts with ground-level ozone to create the highly toxic 6PPD-q

Coho salmon returning from its years at sea to spawn, seen near the Suquamish Tribe's Grovers Creek Hatchery. 
(K. King / USFWS)
Press Release: Victory November 2, 2023

EPA Grants Tribal Nations’ Petition to Restrict 6PPD in Tires

EPA agrees with petitioners that federal regulation is needed to address environmental risks

A humpback whale breaches out of the water in Monterey Bay, California. (Chase Dekker Wild-Life Images / Getty Images)
Article December 17, 2025

5 Species Threatened if the California Coastline is Opened for Oil Drilling

The Trump administration wants to expand drilling across U.S. coastlines, endangering Pacific wildlife and communities.

Sockeye salmon make their way back up a river in the Pacific Northwest to spawn. (U.S. Fish & Wildlife Service Photo)
Update November 8, 2023

We’re Going to Court to Protect Salmon from a Highly Toxic Chemical

U.S. fishing groups are suing tire manufactures over 6PPD, a chemical in tires, which interacts with ground-level ozone to create the highly toxic 6PPD-q.

Coho salmon returning from its years at sea to spawn, seen near the Suquamish Tribe's Grovers Creek Hatchery. 
(K. King / USFWS)
Article August 1, 2023

What’s Killing the Salmon in Our Urban Streams? A Mystery is Now Solved.

A chemical called 6PPD that’s found in tires is devastating aquatic life.

document October 30, 2023

Letter From States in Support of 6PPD Petition

The States of Washington, Oregon, Vermont, Rhode Island, and Connecticut sent a letter to the EPA voicing strong support for a recent petition from Tribes to the EPA on 6PPD, noting that “6PPD, along with its highly toxic product 6PPD-q, poses an unreasonable threat to the States’ waters and fish resources, and to the continued existence of Northwest salmon and steelhead runs.”

document November 8, 2023

6PPD ESA Complaint

The Institute for Fisheries Resources (IFR) and the Pacific Coast Federation of Fishermen’s Associations (PCFFA) filed suit against U.S. tire manufacturers over the use of the chemical 6PPD in rubber tires because of its devastating impacts on Endangered Species Act (ESA)-protected salmon and steelhead.

document November 2, 2023

EPA 6PPD Petition Decision

The Environmental Protection Agency (EPA) granted a petition submitted by the Yurok, Port Gamble S’Klallam, and Puyallup Tribes, which asked EPA to develop regulations that prohibit the use of the chemical 6PPD in tires due to the lethal effects of its use for salmon, steelhead trout, and other wildlife.

document September 21, 2023

Affiliated Tribes of Northwest Indians 6PPD Resolution

In September, the Affiliated Tribes of Northwest Indians adopted a resolution in support of the Port Gamble S’Klallam, Puyallup, and Yurok Tribes’ petition to ban 6PPD.

document August 15, 2023

60-Day Notice: 6PPD in Tires

The Institute for Fisheries Resources (IFR) and the Pacific Coast Federation of Fishermen’s Associations (PCFFA) notified U.S. tire manufacturers of their intent to sue over the use of a chemical called 6PPD in rubber tires because of its devastating impacts on Endangered Species Act (ESA)-protected salmon and steelhead.

Coho salmon returning from its years at sea to spawn, seen near the Suquamish Tribe's Grovers Creek Hatchery. 
(K. King / USFWS)
Press Release August 1, 2023

Tribes Petition Environmental Protection Agency to Ban Toxic Chemical from Tires

Water contamination from 6PPD use in tires imperils salmon recovery

document August 1, 2023

TSCA Petition — 6PPD in tires

The Yurok, Port Gamble S’Klallam, and Puyallup Tribes petitioned the Environmental Protection Agency to establish regulations prohibiting the manufacturing, processing, use, and distribution of 6PPD in and for tires.

The Puyallup River, with Mount Tahoma (Rainier) in the background. (David Seibold / CC BY-NC 2.0)
Update August 23, 2024

In a Win for Endangered Salmon, Court Orders Puyallup River Dam Removal

Electron Dam has been harming Chinook salmon, steelhead, and trout for nearly 100 years. With part of the dam gone, the river will flow naturally for the first time in almost a century.

A dunlin searches for food among short green grasses in the Western Arctic, in the area close to Lake Teshekpuk. (Kiliii Yuyan for Earthjustice)
feature December 11, 2023

2023: A Year in Earthjustice

Together, we achieved extraordinary wins for the earth and its people. Thank you.

The Puyallup River, with Mount Tahoma (Rainier) in the background. (David Seibold / CC BY-NC 2.0)
Press Release: Victory August 19, 2024

Ninth Circuit Decision Upholds Earlier Court Ruling Ordering Partial Removal of Washington’s Electron Dam

Ruling means a free-flowing Puyallup River for fish for the first time in more than 100 years

From the Experts August 1, 2024

Wins from Washington’s 2024 legislative session, plus a look ahead to next year

The 2024 short session produced several key wins benefiting the environment and Washington’s communities — and some foreshadowing for 2025.

In the News: Associated Press November 8, 2023

Commercial fishing groups sue 13 US tire makers over rubber preservative that’s deadly to salmon

Elizabeth Forsyth, Attorney, Earthjustice: “This is the biggest environmental disaster that the world doesn’t quite know about yet. It’s causing devastating impacts to threatened and endangered species.” “We’re the nation that figured out how to get lead out of gasoline and still have our cars run. It would shock and surprise me if we cannot…