James R. Karr is professor of fisheries and zoology and adjunct professor of civil engineering, environmental health, and public affairs at the University of Washington. Ellen W. Chu is a biologist and editor with Northwest Environment Watch based in Seattle, Washington.
1 द्वारा ईबुक Ellen W Chu
Chu Ellen W Chu & Karr James R. Karr: Restoring Life in Running Waters
Despite nearly three decades of efforts intended to protect the nation’s waters, and some success against certain forms of chemical and organic contamination, many of our nation’s waterways continue …
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