http://nwpr.org en http://nwpr.org/post/study-urban-development-degrades-streams <p></p><p>Scientists recently looked at what urban development is doing to streams in Portland and eight other U.S. cities. They found that urban development can mean trouble for invertebrate species. Tue, 20 Nov 2012 01:10:58 +0000 Courtney Flatt 18636 at http://nwpr.org