Search Results       Your search for [subject]Air -- Pollution -- Research -- Northern Hemisphere returned 1 record.           Hemispheric transport of air pollution 2007 : interim report of the Task Force on Hemispheric Transport of Air Pollution... New York: United Nations, 2007. Subject: Air -- Pollution -- Research -- Northern Hemisphere; Transboundary pollution -- Research -- Northern Hemisphere; Transport theory -- Congresses; Atmospheric physics -- Congresses.          Add to Book Cart Relevance: 36.57%