WATCH: National Geographic Documents Pesticide Damage at Illegal Marijuana Grow Sites in NorCal

When recreational marijuana was legalized in California in 2018, U.S. Attorney McGregor Scott announced that his concerns won’t lie within the recreational market, but rather the massive marijuana grows in the dense wilderness of federal lands in Northern California. He said that U.S., state and local authorities will target the illegal grows with $2.5 million in federal money, especially the grow operations that use highly toxic pesticides.

With a year under their belts, National Geographic followed special agents from the U.S. Forest Service, along with a group of passionate conservationists in Humboldt County, on a raid of an illegal grow site in the Shasta-Trinity National Forest. The message of the short film was to show the lasting harm that pesticides from illegal grow sites are doing to the wilderness of NorCal.

Watch the video:

The film shows how devastating the illegal grows can be to the natural lands. As you can see in the video, the arrested perpetrator denied using pesticides, but once Mourad Gabriel returned the next day, he found several containers of over-the-counter pesticides. They also found a bottle containing a milky white substance he suspected to be carbofuran, which the Environmental Protection Agency banned in 2010.

Not only do illegal grow operations in the wilderness create safety concerns for outdoor enthusiasts, but they are also finding that 72 percent of illegal grow operations are using the pesticide Carbofuran.


The pesticide is used to kill off insects and animals that may come in contact with the marijuana site, and it works very well. One teaspoon of Carbofuran could kill a 300-pound bear.

The illegal grow sites in Northern California can have severe effects on the public lands of the vast and nearly untouched wilderness, including wildlife deaths and diversion of natural water flows. In the past, many of these illegal grow sites are the doing of Mexican drug cartel workers, whose operations are backed by organized crime wealth and the marijuana is then trafficked all over the country.

This policy from the federal government of concentrating on illegal grows that damage wildlife is a great path in order to protect our beautiful public lands, eliminate illegal and toxic growing operations, and provide support to a so-far successful recreational market.

Active NorCal

Telling the Stories of Northern California


  1. Sorry, but they should just dig a hole, shove these clowns in and cover up the hole. Sickening how they destroy the countryside they are growing in…

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