OPB | Feb. 23, 2016
We talk with lawmakers in Salem about how the short legislation is looking. And we talk with parents, regulators and activists about air pollution hot spots in southeast Portland.
OPB | Oct. 27, 2015
Levels of lead and arsenic in some Eastern Washington properties are high above state-mandated levels, but the problem isn't being fixed quickly.
OPB | Oct. 21, 2015
A local conservation non-profit is starting a new project to use big data to save America's rivers.
OPB | Aug. 06, 2014
WEDNESDAY: The Army Corps of Engineers has settled a lawsuit brought by Columbia Riverkeeper involving oil and other pollutants from dams. The emissions will now fall under the Clean Water Act.
OPB | June 11, 2014
WEDNESDAY: We'll dig into recent U.S. Supreme Court rulings with our legal expert Lisa McElroy.
OPB | Oct. 15, 2013
Oregon and six other states are suing the Environmental Protection Agency, alleging it has not adequately limited pollution from wood stoves.
OPB | Aug. 27, 2013
A study of the most toxic polluters in the U.S. ranked Portland-based Precision Castparts No. 1.
OPB | March 25, 2013
We check in with Earthfix's Amelia Templeton about Supreme Court's ruling on northwest logging roads and a draft bill that would restore tribal lands in western Oregon.