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Toxic Waste

Environment | Science

Study: Probiotics Can Help Trees Clean Up Toxic Waste

KUOW/EarthFix | Aug. 15, 2017 3:17 p.m.

Humans like their yogurt and new research indicates the trees that clean up toxic waste stand to benefit from probiotics too.

Think Out Loud

Portland Firm Tops Toxic Polluter List

OPB | Aug. 27, 2013 12:06 p.m.

A study of the most toxic polluters in the U.S. ranked Portland-based Precision Castparts No. 1.

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John Kroger's First 100 Days

OPB | April 28, 2009 9 a.m.

What do you want to ask Attorney General John Kroger about his first three months in office?

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Is Stumptown a Dumptown?

OPB | May 5, 2008 midnight

How did Portland get labeled the third most toxic city in the nation?