The Puget Sound Clean Air Agency is considering a new low-carbon fuel standard after state lawmakers didn't pass one earlier this year.

As thousands take to the streets worldwide, Seattle youth reflect on being arrested, what they've lost and how they can save what's left.

Puyallup tribal leaders led a march and rally on Tuesday for residents who remain opposed to a liquefied natural gas facility. Boosters insist it could bring jobs and lower emissions.

A decade after it was founded, TerraPower has been thwarted by the Trump Administration’s China policy. Now it’s banking on Plan B.

As the documentary Dammed to Extinction tours the Northwest, its filmmakers argue time isn't up for orcas or salmon if we act now.

These scientists are building an inclusive future for STEM in Washington state — and beyond.

Rep. Adam Smith has introduced legislation that would effectively stop the Department of Energy from reclassifying the site's most hazardous wastes. 

The governor has unfortunately fallen into the common trap of assuming two very different projects have the same cost-benefit ratio.

After a 2016 fire left the Spokane Tribe without water or power, the community turned to solar for back up. Will other tribes follow suit?

The project will dramatically increase tanker traffic in the Salish Sea, and with it the risk of a major spill.

While the state Department of Ecology is concerned about meeting deadlines, the proposed solution from the Department of Energy is a non-starter.

When turbines gets too old, something has to happen with all its parts. Much of it ends up in landfills.

Senate Democrats are considering a bill that would nearly double the state's hazardous substances tax to pay for the projects, but they may need Republican help to pass it. 

City Light forecasts show South Lake Union needs less energy than was predicted in 2011. Officials say the Denny Substation is still necessary.

When researchers from Pacific Northwest National Lab analyzed the atmosphere over the Amazon, they discovered how drastically we are changing pure air.