https://insideclimatenews.org/news/09112016/washington-state...
> Washington State Voters Reject Nation's First Carbon Tax
> The measure was unpopular with social justice groups and divided environmental activists, many arguing it did not go far enough in promoting clean energy.
> Among those who decided not to support the carbon tax were Sierra Club, the Washington Environmental Council, the Union of Concerned Scientists, Climate Solutions, and 350Seattle.org.
https://crosscut.com/2018/11/washington-voters-reject-carbon...
> Washington voters reject carbon fees for second time