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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…

Surviving Earth is an independent Australian documentary featuring insight from Professor Tim Flannery, Ian Dunlop, Professor Paul Ehrlich, permaculturalist David Holmgren, Aboriginal elder Uncle Bob Randall, Professor Ian Lowe, Major-General Michael…