Have you ever fantasized about getting the entire world high? A lot of people do. But fuck giving everybody a joint; way too much work. A more effective method would be to hotbox the entire planet, man. And the enterprising minds at reddit‘s /r/trees forum have done the math to figure out exactly just how much weed we would need to do that.
Their estimate is 27 billion pounds. That’s 39 quadrillion joints for those of you who insist on doing it the boring way.
I’m no mathematician, but these calculations look about right to me. See below for the full explanation.