Groundwater pumped to irrigate cannabis crops in California's Emerald Triangle can cause some streams that normally run year-round to dry up entirely during summer, say researchers from Simon Fraser University, the University of California, Berkeley and the United States Department of Agriculture.

Groundwater pumped to irrigate cannabis crops in California’s Emerald Triangle can cause some streams that normally run year-round to dry up entirely during summer, say researchers from Simon Fraser University, the University of California, Berkeley and the United States Department of Agriculture.

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