Sen. Reuven Carlyle, the architect of the nation’s second cap-and-trade law, said that he will leave the Washington Senate when his term expires next year.

Two Washington bills seek opposite outcomes for the state’s Energy Facility Site Evaluation Council.

A bill to expand the provision of green hydrogen by municipal and rural utilities appears headed for easy sailing through the Washington House.

Washington’s House Democrats have resurrected last year’s stalled attempt to add climate change mitigation to land use planning.

A Washington bill calls for the state's Commerce Department to study the global supply chain risks in the manufacture of EV batteries.

A Washington bill seeks to expand charging access to people living in apartments, condos and other residences governed by HOAs.

A bill to cushion trade-exposed Washington manufacturers from the economic impact of the state’s cap-and-trade program is getting pushback.

Attendance was low at a hearing on a bill to allocate funds to deal with probable upcoming droughts in Wash., but participants were unanimous in their support.

A rent control plank prompted the greatest opposition to a Washington Senate bill to trim the carbon footprint of roughly 50,000 buildings in the state.

Cap-and-trade is expected to yield Washington $500 million a year in revenue, according to the state agency charged with running the program.