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The state is spending $100M to create 575 new charging sites, but one expert says electrification is out of reach without private sector buy-in.

Politicians are celebrating the tentative agreement, while activists and tribal leaders say it doesn’t do enough to protect endangered salmon runs.

The landmark 1974 case ordered Washington to uphold its treaties, affirm Indigenous salmon fishing rights and recognize Native nations’ sovereignty.

Just north of Withrow, WA, pancake-flat fields are dotted with massive rocks that help us visualize an Ice Age glacier.

The range’s oldest bedrock sits high in the mountains near Canada. But the yellow aster gneiss originated an ocean away 400 million years ago.

Shifting glaciers revealed the North Cascade peak’s origins, forged from three ancient volcanoes that lived and died over the past million years.

Greenschist gets its tint from minerals compressed under the ocean long ago. Now it caps an entire mountaintop in the North Cascades.

Special thanks to Central Washington University as the original...

Sedimentary rock usually builds horizontally. So how does Big Four Mountain in Snohomish County have nearly vertical layers?

Geologists believe the formation was created by floods 16,000 years ago, but its ghostly hanging valleys tell a different story.

Towers at Saddle Rock were formed from 44-million-year-old vents of magma hidden deep under the Cascade mountains.