2026 Washington Ballot Measures
Environment
| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 8, 2016 | Washington | Initiative Measure 732: An Act Relating to Taxation | Failed |
| Nov. 6, 2018 | Washington | measure: Initiative Measure No. 1631 | Failed |
| Nov. 5, 2024 | Washington | Initiative 2117: Washington Initiative 2117, Prohibit Carbon Tax Credit Trading and Repeal Carbon Cap-and-Invest Program Measure | Failed |