How Much Fish You Eat Determines Water Quality In Idaho

Jan. 31, 2013, 7:27 a.m.

EPA Report Links Yakima Valley Nitrates to Dairies

Sept. 27, 2012, 8:52 p.m.

OSU's Chemical Safety Research With Zebrafish Gets A Boost

Sept. 13, 2012, 9:32 a.m.

Portland Harbor Cleanup Dispute Centers On Fish Consumption

July 31, 2012, 6:36 p.m.

EPA Begins Phasing Out Toxic Pesticide, Endosulfan

July 31, 2012, 2:49 p.m.

EPA Administrator Visits Portland Rain Garden

May 4, 2012, 4:36 p.m.

Agent Orange Dump Site Is Oregon Desert's Toxic Legacy

May 3, 2012, 1 a.m.

Pacific Northwest Republicans Want to Talk Timber

March 13, 2012, 1 a.m.

EPA: Power Plants, Refineries Are Top NW Greenhouse Gas Polluters

Jan. 11, 2012, 8:59 a.m.

Scalia Calls EPA 'High-Handed' In Northwest Property Rights Case

Jan. 9, 2012, 3:37 p.m.

EPA Adds Public Comment Time on Fracking Rules

Oct. 28, 2011, 4:29 p.m.

Portland Watches With Interest As NY Reservoir Reviewed

Aug. 22, 2011, 7:59 p.m.