Marijuana Policy Project
We change laws
Menu
  • About Us
    • Who We Are
      • About MPP Foundation
      • MPP Team
      • Board of Directors
      • Jobs
      • Contact Us
    • What We Do
      • Overview
      • Mission and Values
      • Our Work
      • Campaigns
      • Our History
    • Resources & Media
      • Tax Documents
      • In the Media
    • Contact Us
      • P.O. Box 21731
        Washington, D.C. 20009

        P: 202-462-5747

        Send Us an Email
        Receive Info by Mail

        Media Inquiries

    • Close
  • Policy
    • Federal Policy
    • State Policy
    • U.S. Territory Policy
    • Ballot Initiatives
    • Close
  • Issues
    • Criminal Justice
    • Decriminalization
    • Economics
    • Cannabis Legalization
    • Legislation
    • Medical Cannabis
    • FAQ
    • Close
  • Newsroom
      • Blog
        • MPP ReleaseSchedule III - Now What?
        • MPP ReleaseOhio legislature sends Gov. DeWine bill eroding cannabis legalization
        • MPP ReleaseVirginia releases plan for adult-use cannabis sales legislation!
        • MPP ReleaseTexas formally adopts medical cannabis expansion!
        • Close
      • Press Releases
        • MPP ReleaseMarijuana Policy Project Statement Regarding President Trump’s Move To…
        • MPP ReleaseNew 2024 Data Reveals Pennsylvania Arrests Thousands for Cannabis Offenses…
        • MPP ReleaseMarijuana Policy Project Executive Director Pens Open Letter to the Cannabis…
        • MPP ReleaseMarijuana Policy Project Welcomes Adam J. Smith as New Executive Director
        • Close
      • Upcoming Events
        • MPP ReleaseNational Cannabis Festival 2025
        • MPP ReleasePost-Election Cannabis Insights: Shaping the Future of Federal and State…
        • MPP ReleaseFuel Your Fire at MJBizCon
        • MPP ReleaseNational Cannabis Festival 2024
        • Close
    • Close
  • Giving
    • Donate to MPP
    • Donate to MPP Foundation
    • Membership
    • Shop
    • Other Ways to Help
    • Close
  • Take Action
    • Spread the Word
    • Get Involved
    • Register to Vote
    • Close

Effects of Marijuana Prohibition

» Issues » FAQ

Donate

Be a part of the movement.
Donate today!

Subscribe to blog updates

Receive one daily blog update via email

  

MPP Tracks Marijuana Policy
in All 50 States
MPP is the most effective and influential cannabis policy driver in the U.S.
Illinois State Senator Heather Steans

All Rights Reserved © 1995 - 2025 Marijuana Policy Project | Privacy
P.O. Box 21731, Washington, D.C. 20009 | [email protected]