PBS television services from KTNWDT-TV, 31, Yakima, WA.

Yakima, WA KTNW PBS 31 A3 HD

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PBSNET

Students protesting the Vietnam War violently clash with construction workers in 1970 New York.

American Experience

The Hard Hat Riot

PBS, with more than 330 member stations, offers all Americans the opportunity to experience the worlds of science, history, nature and public affairs; to hear diverse viewpoints; and to take front row seats to world-class drama and performances.

The epic struggle against airborne toxins that led to the creation of the Clean Air Act.

Clearing the Air: The War on Smog

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S36 E11 | Clearing the Air: The War on Smog