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January 13, 2026

Washington lawmakers to decide whether to ban a tire chemical shown to be toxic to salmon

A new bill introduced to the Washington Legislature, now in session, would require tire manufacturers to reformulate the rubber in their tires to remove a chemical responsible for killing large numbers of coho salmon and other fish. If approved, the legislation would give tire manufacturers nine years to find a suitable replacement for the compound […]

December 4, 2020

Discovery of toxic chemical in tires spurs scientific and regulatory interest

The discovery of a mysterious chemical that kills coho salmon in urban streams is expected to spawn new research throughout the world while possibly inspiring new demands for protective regulations. The deadly chemical, associated with automobile tires, was identified by researchers at the University of Washington’s Center for Urban Waters, which is affiliated with the […]