The 1948 smog emergency in Donora, Pa., awakens America to the need for the Clean Air Act; Mom's Clean Air Force unites against air pollution; Don Anair, the Union of Concerned Scientists. (30 minutes)
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Sat, 4/20 at 6:00 pm on Austin PBS HDTV
Red Cloud Renewables on Pine Ridge Reservation in South Dakota; MicroLife Institute in Georgia; author Jake Bittle's "The Great Displacement: Climate Change and the Next Migration." (30 minutes)
Sat, 4/27 at 6:00 pm on Austin PBS HDTV
Filmmakers Carlton Ward Jr., Wes Skiles and his daughter, Tessa, shed light on worlds that would otherwise be hidden. (30 minutes)
Sat, 5/4 at 6:00 pm on Austin PBS HDTV
Agri voltaic research at Jack's Solar Garden; biologists study how to reduce methane from cattle in Colorado; American Farmland Trust's work to keep women and Black farmers on their land. (30 minutes)