Leaders from the three West Coast states and the Canadian province of British Columbia signed an agreement pledging to cooperate on climate change measures.

Wash. lawmakers will likely prioritize legislation designed to sharply reduce emissions from homes and commercial buildings during the upcoming 2023 session.

The non-utility owner of a Washington gas-fired power plant can receive free cap-and-trade allowances from the state, a government board decided.

The governors of Washington, Oregon and California and the premier of British Columbia discussed the need for cross-border efforts to address climate change.

Seven Western entities have now expressed support for participating in the next phase of SPP's market development in the Western Interconnection.

Washington, Oregon and Idaho are preparing a joint proposal to become a regional hydrogen manufacturing and distribution hub.

An Oregon renewables company wants to construct two hydrogen manufacturing plants and a network of hydrogen pipelines in eastern Oregon and Washington.

Attorneys general for California, Oregon and Washington asked FERC to deny an application to expand a pipeline system that delivers natural gas to the 3 states.

Washington’s Supreme Court ruled that the state’s most prominent anti-tax activist cannot put a 2021 cap-and-trade law to a statewide public ballot.

Leaders from southeastern Washington lobbied DOE Secretary Jennifer Granholm for a piece of the Biden administration’s clean energy spending.