Study: Marijuana Cultivation Is Sucking California Dry

(CBS SF) — An increasing number of marijuana operations is making California’s drought worse, according to a new study.

A research team in the August issue of the journal BioScience estimates 60-70 percent of the marijuana consumed in the United States comes from California — with the majority centered in sensitive watersheds with high biodiversity.

The team said aside from the negative environmental impacts such as land clearing and the pollution from pesticides, large-scale marijuana cultivation is diverting precious surface water away from streams and wetlands.

Commentary coauthor Scott Bauer says the impact of unregulated pot growing on water availability, especially while water districts across the state are asked to conserve, is a top concern.

The marijuana growing season runs from June to October, when rain is typically scare. Bauer adds marijuana is a water-intensive crop that uses twice the amount of water than wine grapes when grown outside.

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http://sanfrancisco.cbslocal.com/2015/08/07/study-marijuana-cultivation-is-sucking-california-dry-drought-water-pot/