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Screen Image from NOVA: The Great Electric Airplane Race
Electric cars seem increasingly likely to replace our gas-guzzling vehicles. Could a new generation of emission-free electric planes do the same to the polluting airliners in our skies--a major step in the fight against climate change? NOVA looks at…

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According to many scientists, global warming is irreversible—but its progress can be slowed, its impact managed. This program examines strategies, many of them in operation, designed to protect land and populations made vulnerable by rapidly rising…
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