Washington agrees to join carbon market with California and Quebec

By: Aspen Ford

Outlets: Washington State Standard

Published: June 26, 2026

Words: 745

Last Updated: 3 weeks, 1 day ago


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SEATTLE — Washington took a key step Thursday to combine its carbon market with one operating in California and Quebec, a move expected to drive down costs for carbon-emitting businesses once the programs are joined.

State Department of Ecology Director Casey Sixkiller signed the so-called linkage agreement during a ceremony in downtown Seattle. California and Quebec still must complete additional steps, including adopting regulations, before a linked market can take effect. Officials say the markets …

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