New Study: Seattle's Unhealthiest Zip Code

March 27, 2013, 11 a.m.

EPA Criticizes Clean-Up Study For Portland Harbor Superfund Site

Jan. 24, 2013, 5 a.m.

Portland Harbor Cleanup Dispute Centers On Fish Consumption

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

Polluted Waters: How Clean Is Clean?

July 19, 2012, 1 a.m.

Portland Ready To Move Forward On Harbor Cleanup Plan

March 28, 2012, 3 p.m.

EPA Proposes Big Cuts In Superfund Cleanup

Feb. 15, 2012, 4 p.m.

Klamath Falls Housing Added to Superfund List

Sept. 15, 2011, 3:14 p.m.

Portland Harbor Cleanup Site Proving a Model for Other Communities

Aug. 24, 2011, 11 p.m.