Branson's no virgin when it comes to getting high. He's admitted to smoking weed with his son on vacation and hasn't been shy about his support for legalizing the plant. Shit, Branson's even asked the president for a spliff during a White House dinner. But when you're knighted by the Queen of England, you can get away with things like that.
Branson has sold many of the companies that helped make him famous, but he's still open to investing in greener industries, as you'll see in the following video.