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English – Outcomes of Local Cannabis Cultivation Bans on California Communities

Local commercial cannabis cultivation bans add administrative cost and lead to economic and social inequities.

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Hmong – Tej Yam Uas Yuav Tshwm Sim Yog Tias Txoj Kev Cog Xas Raug Txwv Hauv

Kev lag luam cannabis cog qoob loo hauv zos txwv tsis pub ntxiv cov nqi tswj hwm thiab ua rau kev lag luam thiab kev tsis sib xws.

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Español – Resultados del cannabis local Prohibiciones de cultivo en California Comunidades

Las prohibiciones locales del cultivo comercial de cannabis añaden costos administrativos y generan desigualdades económicas y sociales.

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Water Use: Cannabis in Context

After reviewing data from Humboldt and Mendocino County watersheds, researchers find that keeping cannabis farms in the licensed market is key for preventing impacts to streams.

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Cannabis Agriculture 101

Is cannabis legal to grow and sell? How is it grown? How widespread are farms and facilities? Explore the facts of California cannabis agriculture and regulation.

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Variation in Local-level Cannabis Cultivation Bans in California

Proposition 64 granted California localities (cities and counties) the ability to ban commercial cannabis cultivation. Now over two-thirds of local jurisdictions have banned cultivation.

Screenshot of Science Brief on Environmental Impacts of Local Cultivation Bans
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Environmental Impacts of Local Cannabis Cultivation Bans

Cultivation bans do not stop cultivation or environmental consequences of farming, and may worsen them.

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Cannabis Agriculture and Wildlife

Explore how cannabis cultivation can threaten wildlife, what growing practices can reduce impacts near sensitive habitat, and what we still need to learn.

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Land Use in Cannabis Agriculture

Explore the location of California's cannabis farms and the environmental impacts of land use decisions in cannabis growing regions.

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Barriers to Compliance

We surveyed California's cannabis farmers to understand their decisions to comply with the state's licensing initiative. Explore our 2019 results to learn specific barriers to compliance.

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