As the Colorado River's giant reservoirs have declined during the last two decades, even larger amounts of water have been ...

Col. Terry Connell was at his downtown Portland church’s Sunday service on May 18, 1980, when Mount St. Helens erupted.

The Colorado River Basin has lost twice as much groundwater since 2003 as water taken out of its reservoirs, according to a ...

After dropping to historic levels last year due to ongoing drought and high temperatures, hydropower generated in the ...

Recent rainfall in Chapin overflowed a sewer station next to Lake Murray. How is the growing town responding to its ...

To see evidence of the Columbia River’s ancient past, you might not need to visit the river at all. In a roadcut just south of Granger, Yakima County, 10 million-year-old evidence is in plain view.

Tacoma, Washington, a smokestack leached toxic lead into the water and air. Living nearby: three men who would become some of ...

It's a testament to Mother Nature's strength and power, so vast and spectacular that it's often considered the "Grand Canyon of Washington."The Grand Coulee in Washington is an ancient river bed gorge ...

During a Clark County meeting last week, public health officials alerted residents to the increased concern of toxic algae ...

The Columbia River is critical for fish, energy, commerce and identity. But it faces an uncertain future. How much more can ...

The disappearance of glaciers is also creating opportunities for the multibillion-dollar mining industry. Like migrating salmon, mineral exploration companies are moving quickly into areas exposed by ...

Read how the engineers came together to solve a problem they never anticipated, especially after being told the mountain ...