We're heading for a world population of 10 billion people -- but what will we all eat? Lisa Dyson rediscovered an idea developed by NASA in the 1960s for deep-space travel, and it could be a key to reinventing how we grow food.

This is the full uncut interview between Permaculture instructor Andrew Millison and Isha Foundation founder Sadhguru. This interview was conducted to use parts of in the video.