Kimbal Musk's Square Roots is on a mission to feed the world — and eventually astronauts on Mars
November 12, 2019 at 08:00 AM EST
Elon Musk's brother, Kimbal, is on a mission to feed the world. He co-founded Square Roots with Tobias Peggs to grow non-GMO crops in reclaimed shipping containers. The company made CNBC's 2019 Upstart 100 list of the world's most promising start-ups.