Earth Day discussion of Air Quality in Houston, Texas. This originally aired live on Public Access TV in Houston, April 22, 2009 (local cable and the world wide web).
Guests: Juan Parras (Exec. Dir. of T.E.J.A.S.; Dr. Elena Craft, Toxicologist, Environmental Defense Fund,; Dr. Barry Lefer (Asst. Professor, Earth and Atmospheric Sciences, University of Houston,
Produced at Houston Media Source (, where you can now watch streaming video 24-7 via internet.
Greenwatch TV nears its tenth anniversary of fortnightly shows. Catch us now, 9-10 PM every other Wednesday. Sponsored by Harris County Green Party (

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