Listen: Radio Ads From America's Pot-Growing Mecca

No place in America grows as much marijuana as Northern California's Trinity, Mendocino, and Humboldt counties. Backcountry pot farming isn't just a leading industry in the so-called Emerald Triangle; it's pretty much the only industry. As I discovered on a recent road trip to investigate the environmental impacts of large-scale pot farming, nowhere is this more obvious than on the radio. Here's a sampling of actual ads you're likely to hear on the way to your neighbor's bud-trimming party: