The state will tentatively seek to link its cap-and-trade program with the California-Quebec carbon market in an effort to reduce the financial impact of pricing carbon in its economy.

Washington's Department of Agriculture is mulling a petition by the EV charging industry to eliminate a state requirement that public chargers contain a credit card chip reader for payments.

The state is looking to launch an effort to become an industrial supplier for the offshore wind sector expected to grow off the West Coast.

Washington state officials expect to soon decide whether to join the California-Quebec cap-and-trade program.

Washington has begun the first overhaul of a diesel ferry into an electric-fuel hybrid, with the converted boat expected to be operating by September 2024.

Oil companies are increasingly resisting climate change measures, Washington Gov. Jay Inslee and a panel of climate experts told a group of University of Washington engineering students.