Officials To Announce New Radon Testing Requirements

Feb. 4, 2013, 8 a.m.

Portland Activist Uses Her Art To Protest Coal Export Terminals

Jan. 24, 2013, 1 a.m.

Air Pollution Reaches Unhealthy Levels In Many Northwest Communities

Jan. 18, 2013, 4:42 p.m.

Coal Export Critics Ask: What About Pollution From Trains And Barges?

Dec. 7, 2012, 3:43 p.m.

Cryogenics Could Capture and Freeze Carbon Dioxide

Aug. 28, 2012, midnight

Poll: Clean Air And Clean Water

Aug. 10, 2012, 3 p.m.

Ore. Garbage Burner To Get Tougher Emissions Rules

April 23, 2012, 4:52 p.m.

Got Pollution? Study Links Dairies to Bad Air Quality

March 8, 2012, 6:26 a.m.

Flying the Leaded Skies: Small Planes Still Pour Lead Into America's Air

Jan. 30, 2012, 9:06 a.m.

What the EPA's New Rules On Coal-Plant Toxics Mean for the Northwest

Dec. 21, 2011, 11:42 a.m.

EPA Selects Four Pacific Northwest Groups For Environmental Justice Grants

Dec. 19, 2011, 1 a.m.

Where There's Smoke, There's Sickness: Woodsmoke a Big NW Pollution Source

Dec. 16, 2011, 1 a.m.

Burgeoning Cluster Of Lifesaving Stove Designers Call NW Home

Dec. 16, 2011, 1 a.m.

Gov't Gets More Aggressive To Curtail Wood Stove Smoke

Dec. 4, 2011, 8:56 a.m.

Portland's DIY Model For Reducing Air Pollution

Nov. 30, 2011, 10:29 p.m.

A Guide to Haze in the Columbia River Gorge

Nov. 16, 2011, 1:56 p.m.

Friends of the Gorge: Pollution Plan Won't Clear the Air

Nov. 14, 2011, 4:06 p.m.

Oregon Gets a Jump on Greenhouse Gas Emission Reporting

Sept. 15, 2011, 3:27 p.m.