Season 1:

Episode 35: Transportation Pollution - The Impact on Our Health and Environment, featuring Kaid Benfield and Susan Polan

Episode 36: The Worst Polluters: Automotive's and Planes, featuring Dr. Maz Zhang and Dr. John Heywood

Episode 37: Transportation Pollution and Human Health, featuring Dr. Meredith McCormack and Professor Edward Avol

Season 2:

Episode 92: How Transportation Effects Climate Change featuring John Bailey of the Natural Resources Defense Council, Dr. Aida Ramos from the University of Dallas, and Dr. Liia Ramachandra of EpiLynx

Episode 93: Renewable Energy and Electric Vehicles featuring Dr. Eric Larson of Climate Central and Princeton University

Season 4:

Episode 183:  Trouble in the Air: How and Where Does our Air Quality Get Tainted and Corrupted featuring Erika M. Moseson, MD and Professor Frank J Kelly

Episode 184:  Why our Transportation Impacts Climate Change  - The  Role of Transportation in Air Pollution  featuring David Reichmuth and Doug Brugge

Episode 186:  Future of Transportation & its Impact on Air Quality: Renewable Energy & Electric Vehicles – Hope for the Future featuring Lori Bird and John Boesel