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  • The Case

    The Case

    In March 2020, 16 young people from across the state of Montana filed a constitutional climate lawsuit against their own state government. Get the details, meet the plaintiffs, etc.

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  • The People

    The People

    Meet the plaintiffs, expert witnesses, their legal team and the defendants in Held v. State of Montana.

    Plaintiffs Side
    • Legal Team
    • Youth Plaintiffs
    • Experts
    • Fact Witness
    Defendants Side
  • In The News

    In The News

    Held v. State of Montana hit headlines locally, nationally, and globally. Read select coverage.

    Media Coverage
    Press Center
  • Learning Resources

    Learning Resources

    Our Children’s Trust builds its groundbreaking youth-led climate litigation on a foundation of the best available climate science. Learn about the most up-to-date, cutting-edge science and why reducing atmospheric CO2 to below 350 ppm is necessary to restore the Earth’s energy balance and stabilize our climate system.

    Learning Resources
    • Books
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    • Film & Video
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    • OCT Impact Report
  • Legal team
  • Youth Plaintiffs
  • Experts
  • Fact Witness

Our Children’s Trust

  • Nate Bellinger
  • Susan Carey
  • Anders Carlson
  • Mat dos Santos
  • Phil Gregory
  • Ji Hyun Lee
  • Julia Olson
  • Andrea Rodgers
  • David Schwartz
  • Kelly Shedd

McGarvey Law

  • Roger Sullivan

Western Environmental Law Center

  • Barbara Chillcott
  • Melissa Hornbein
  • Rikki H.
  • Badge B.
  • Lander B.
  • Ruby & Lilian D.
  • Georgi F.
  • Grace G.
  • Taleah H.
  • Mica K.
  • Nate & Jeffrey K.
  • Eva L.
  • Sariel S.
  • Kian T.
  • Claire V.
  • Olivia V.
  • Dr. Richard Barrett
  • Dr. Lori Byron
  • Dr. Rob Byron
  • Michael Durglo Jr.
  • Peter Erickson
  • Dr. Dan Fagre
  • Mark Haggerty
  • Anne Hedges
  • Dr. Mark Jacobson
  • Dr. Steven Running
  • Dr. Jack Stanford
  • Dr. Kevin Trenberth
  • Dr. Lise Van Susteren
  • Dr. Cathy Whitlock
  • Mae Nan Ellingson

Legal team

As advocates, our job is to make sure children’s voices are heard in courts of law. Held youth plaintiffs are represented by Nate Bellinger, Mat dos Santos, Philip Gregory, Julia Olson, Andrea Rodgers with Our Children’s Trust; Melissa Hornbein and Barbara Chillcott with Western Environmental Law Center; and Roger Sullivan with McGarvey Law.

WESTERN ENVIRONMENTAL LAW CENTER

Melissa Hornbein

Melissa joined WELC in January 2020 after working in state and federal government. She holds a BS in botany and a BA in anthropology from the University of Washington, and obtained her J.D. in 2008 from University of California College of the Law, San Francisco.

The next year, she earned a M.S. in environmental studies from the University of Montana. Before practicing as an attorney, Melissa worked in the field as a botanist/biological technician for various academic and governmental entities, including the National Park Service and U.S. Geological Survey. She worked as an attorney with the Montana Department of Natural Resources and Conservation on tribal and federal water rights issues, and as an Assistant U.S. Attorney in Montana with the Department of Justice.

press & media

Rolling Stone April 7, 2023 Sixteen Kids Are Fighting the Climate Crisis in Court The Guardian August 14, 2023 ‘Gamechanger’: judge rules in favor of young activists in US climate trial Montana Free Press August 14, 2023 Judge rules in favor of youth plaintiffs in Montana climate lawsuit
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Eugene, OR 97405

info@ourchildrenstrust.org

The Case

  • Timeline
  • Full Trial Video
  • Trial Details

The People

  • Plaintiffs Side
  • Defendants Side

In the News

  • Media Coverage
  • Press Center

Learning Resources

  • Film & Video
  • Curricula
  • OCT Impact Report

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