May.21 -- It's so crazy, it might just work. The changes humanity has made to our planet in the last two centuries are unprecedented. So why stop there? In this episode: we examine some of the mad science projects trying to solve the climate crisis, reverse global warming and even end extinction itself. Plus, a new generation of startups is aiming to harness the power of the stars and crack the secret to the holy grail of green energy: nuclear fusion.
