View Related Episode: Forest Thinning, Oregon Cave Cleaning, Portland Stairways

Volunteer cleaners nit pick the Oregon Caves. But they’re not looking for trash. The hunt is for something much, much smaller. Even lint and hair contaminates and alters the sensitive cave ecosystem.

First Broadcast: 2009
Producer: Vince Patton
Videographer/Editor: Todd Sonflieth

Appeared in episode: Forest Thinning, Oregon Cave Cleaning, Portland Stairways

Oregon Caves National Monument

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Field Journal Blog
Industrial Meadows?
by Vince Patton | 03/18/2010
Would it be possible to convert thousands of acres of industrial rooftops in Portland into lush meadows without tearing the buildings down?   Dusty George thinks you can.  He’s the President of the European Federation of Green Roof Associations.   You’d still see warehouses through your windshield as you drive through industrial areas.  But birds [...]
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