Taking the stage at Climate Week in New York City, California Gov. Gavin Newsom announced his authorization to move forward with linking Washington into its carbon market that’s shared with Quebec, Canada, the next-to-last step in California’s process to complete the merger. On the same day, Washington state officials completed the rulemaking process to allow the linkage. California and Quebec will still need to complete regulatory changes, the final step, before merging can occur. In June, the three jurisdictions signed a linkage agreement to fully join operations in 2027. Washington hopes that joining the older and well-established carbon market will stabilize prices for businesses, which have swung wildly in recent years on the state’s 5-year-old market. …For more than a decade, California’s carbon market has sought to cut climate pollution by setting a cap on greenhouse gas emissions and requiring major polluters to buy allowances to cover their share of emissions. In 2014, its market linked with Quebec.