Energy Switch
Population
Authors Darrell Bricker and Dean Spears discusses human population. (30 minutes)
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UPCOMING EPISODES
Wed, 11/12 at 12:30 pm on Austin PBS WORLD
Air Quality in America
The Clean Air Act has reduced particulate matter pollution, ground-level ozone, carbon monoxide and more. (30 minutes)
Wed, 11/19 at 12:30 pm on Austin PBS WORLD
Fertilizers
Benefits, challenges and potential solutions to using fertilizer. (30 minutes)