Jul 12, 2010 on National Geographic Channel at 9:00 PM


Cannabis is the most widely used illicit drug on the planet. To many, it's an evil weed, but to some, it's a sacred herb, even a lifesaver. For decades the global supply was controlled by criminals, but now a quasi-legal industry worth billions of do... (more)llars is booming. Visit growers who are leading a horticultural revolution, hear from users consuming for medicinal purposes, go inside the "Green Rush" of medical marijuana in cities across the U.S. and the violent marijuana cartels in Mexico.

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Season 1 Episode 3

Jul 12, 2010

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Season 2 Episode 1

Jan 01, 2012