Washington needs to do a large amount of legwork to prepare for Gov. Inslee’s mandate banning the sale of new gas-powered cars by 2035, state officials said.

EPA on Wednesday announced it is distributing nearly $1 billion in grants to 389 school districts across the U.S. to buy cleaner buses, most of them electric.

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

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

Washington state lifted its remaining drought designations because of an unexpectedly cool and wet May and June.

The Northwest stands out as an exception to the increasingly dire water situation gripping the wider West, boding well for its summer hydropower potential.

Fortescue Future Industries is exploring the potential of converting a disused coal mine in Washington state into a facility for producing green hydrogen.

Gov. Jay Inslee urged constituents to press Washington legislators to drum up extra votes for two bills addressing building decarbonization.

Washington lawmakers are considering a bill to apply a per-mile charge to EVs to compensate for expected lost gas tax revenues.

A Washington bill would require natural gas utilities to create GHG reduction plans by 2024. Industry critics say that's too soon.