What You'll Learn:
Planet earth is overdue for another catastrophe. It may not occur for thousands or even millions of years, but there have been five mass extinction moments in earth’s history, and another is inevitable. Whether it’s man-made or natural, terrestrial or from the deep reaches of space, we must pursue alternative living situations beyond earth while there’s still time. Theoretical physicist and futurist Michio Kaku shows us where things stand with space exploration and the hurdles that humans must clear to become a multiplanetary species.