NPR

Illegal Pot Grows In America's Public Forests Are Poisoning Wildlife And Water

Insecticides and other chemicals found at the sites threaten long-term damage to ecosystems. California law enforcement, ecologists and others are cracking down on the illegal operations.
A marijuana plant grows in California's Shasta Trinity National Forest. This plant is part of an illegal growing operation done by highly organized drug cartels, who take advantage of the forests' thick canopy to help hide their operation.

Water and wildlife in the nation's public forests are slowly being poisoned by insecticides and other chemicals used in illegal marijuana operations, say forest police and researchers. They warn that the potential environmental damage could last generations.

Many of the grows are the work of highly organized drug cartels, who take advantage of the forests' thick canopy to help hide their operation. Some sites can go undetected for years.

"The true crime here is the fact that they're killing off basically America's public lands, killing off the wildlife, killing off our water," says Kevin Mayer, a U.S. Forest Service law enforcement assistant special agent in charge. "This is stuff that, you know, it's not gonna repair itself."

Now, an unlikely coalition in California — including environmentalists, law enforcement agents, politicians, wildlife ecologists and representatives of the legal cannabis industry — have joined forces to try to reduce these illegal operations and the environmental threat they pose.

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