Battery manufacturers operating in the state will be responsible for making the recycling process easier and cheaper for consumers.
Proposed policies include planting trees and steering people away from gas-powered cars — but nothing as ambitious as years past.
After years of lethal heat waves, Seattleites are embracing A/C as a necessity rather than a luxury.
For Washington state drivers to fully embrace electric vehicles, they'll need more places to charge them.
The spot where the U.S. processed plutonium to fuel WWII bombs is Eastern Washington's newest attraction.
Gov. Inslee said the decision took a 'wrecking ball' to the EPA’s authority to curb pollution.
The Oregon-based company NuScale designed 'cookie cutter' reactors that can be mass produced. Scrutiny has followed.
Without passageways to cross dams along the Columbia, salmon are dying. Tribes say the U.S. government isn't cooperating as they try to help the fish recover.
More than 1,000 Washington residents have received live-saving air conditioning units as the region warms.
A researcher shares tips on surviving a summer heat wave while keeping energy levels low.
Two greenhouse domes on the Colville Reservation will house the state’s first 'agrivoltaics' project, where food and electricity can grow in tandem on small acreage.
Washington state raised the bar with its 2030 target deadline for new electric car registrations. How did we get here?
The state hopes to secure up to $2 billion in federal funding to produce hydrogen fuel as a substitute for petroleum-based gasoline.
Washington, Oregon and California could soon see floating turbines off their coasts.
Most new large apartment and commercial buildings must install heat pumps under the state's new energy code.
From Washington to Florida, the renewables industry allows tribes to grow revenue, reduce utility costs and fight climate change.