What image does the phrase car pollution bring to mind? In a bombshell 2020 study, University of Washington researchers directly tied 6PPD, a chemical in tires intended to prolong the products’ life, to the collapse of coho salmon populations in Puget Sound. “We think it is probably found on every single busy road in the world.” In a 2022 report, …
U.S. regulators say they will review the use of a chemical found in almost every tire after a petition from West Coast Native American tribes that want it banned because it kills salmon as they return from the ocean to their natal streams to spawn. The Yurok tribe in California and the Port Gamble S’Klallam and Puyallup tribes in Washington …
