B.C.’s tax was backed by conservatives and cut emissions without harming rural communities. Can it work elsewhere?

If approved, the utility-scale solar farm would be the largest in Washington state. But not all residents are happy about it.

Native communities, activists and local government are split over new pipelines and their environmental risks.

From floods to wildfires, mapping programs in Cascadia are showing scientists which communities face higher risk. 

Yakama tribal members exercise treaty rights on the Columbia river. A proposed methanol plant could endanger the ways of life those rights protect.

Doing so will cut carbon emissions and spur jobs of the future, write Port Commissioner Fred Felleman and King County Executive Dow Constantine.

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.