Trespass cannabis grows, those rogue operations of pot production on public land, often employ chemicals banned for sale in the United States. Past research has demonstrated that these chemicals have poisoned rare and endangered species like the Pacific fisher, Humboldt marten, and northern spotted owl. But what are they doing to our aquatic environment? Dr. Mourad Gabriel of the Forest Service and Ivan Medel of the Integral Ecology Research Center join Gang Green to talk about their new report which found really nasty pesticides, like carbofuran, downstream from trespass grow sites.

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