
Washington state rang in the New Year with the launch of its most ambitious plan to slash carbon pollution. The new "cap-and-invest" program is designed to follow in the footsteps of California, where a cap-and-trade system began in 2013, while trying to learn from its missteps.
Signed into law by Washington Governor Jay Inslee in 2021, the Climate Commitment Act works by setting a statewide "cap" on greenhouse gas emissions that steadily lowers over time. Washington, like California, is establishing a market for businesses to buy pollution "allowances" that will become increasingly expensive — an incentive to cut emissions and a way to raise money to counter climate change.