Despite calls to remove the dams to save salmon and orcas, federal agencies say the risks to hydropower, navigation and electricity costs are too high.

The historic Seattle landmark is getting a multimillion-dollar makeover. 

Gov. Jay Inslee wants Washington state lawmakers to adopt a more aggressive course for curbing greenhouse gas emissions — one that better aligns with the latest science.

The region is poised to lead the way in electric flight thanks to an ambitious partnership between MagniX and Harbour Air.

In Kalama, the promise of jobs and the peril of greenhouse gas emissions are keeping neighbors divided over a proposed methanol plant to be built along the Columbia.

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.