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This edition: Air

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Episode Details

Air examines the environmental threat to the thin band of life-supporting oxygen in the atmosphere around Earth. Visiting power plants in the U.S. and abroad, learners study the treatment of emissions from coal-burning plants and look at the effect of fossil fuels on the air. This episode also highlights the application of stationary and mobile fuel cell technology, from manufacturing facilities in Canada to prototype buses rolling down the streets of Chicago.