Tiny nukes to power towns, a hair club for plants and gasoline that can be pulled from thin air. On this episode of Cocktail Party Science, host Chuck Cage sits down with the editors and writers of "10 Audacious Ideas to Save the Planet" and discusses how science's most outlandish ideas could prove to be our salvation.

Download the episode here, or subscribe to the iTunes feed.

And check out PopSci's complete coverage of the future of the environment at popsci.com/futurecity.