PM in global climate and air quality policies: Co-benefits and trade-offs van Dingenen, R. ; van Aardenne, J. ; Dentener, F. ; Marmer, E. ; Vignati, E. ; Russ, P. ; Szabo, L. ; Raes, F. Abstract Publication: Geochimica et Cosmochimica Acta Supplement Pub Date: June 2009 Bibcode: 2009GeCAS..73R1369V