Illegal Marijuana Growers Poison Forests in California

National Geographic takes you Deep inside Northern California’s Shasta-Trinity National Forest with wildlife ecologist Mourad Gabriel and a dozen armed officers with the U.S. Forest Service, local sheriff’s office, and other agencies for a raid against an illegal marijuana grow site. Watch a video that explains the dangers of pesticides that have posed envrionmental threats to many of these sites and how they have impacted local wildlife.