00000nam 2200000zi 4500 9.892646 CaOODSP 20241203113654 m o d f cr |n||||||||| 201020t19901990oncad b f00| 0 eng d 066217805X Print CaOODSP eng rda CaOODSP n-cn--- En1-11/90-1E-PDF EN1-11/90-1E Hilborn, J. (John) author. Canadian perspectives on air pollution / J. Hilborn, M. Still. Ottawa : Environment Canada, 1990. ©1990 1 online resource (81 pages) : illustrations, charts. text txt rdacontent computer c rdamedia online resource cr rdacarrier A State of the environment report ; SOE report no. 90-1 Digitized edition from print [produced by Environment and Climate Change Canada]. "September 1990." Issued also in French under title: Perspective canadienne sur la pollution atmosphérique. Includes bibliographical references. "In the final decade of the 20th century, the global community continues to grapple with an unprecedented array of air quality and atmospheric pollution problems. Not only is local air quality deteriorating as the world’s nations pollute the air, but there is also a growing body of evidence to suggest that the composition of the whole atmosphere is changing rapidly as pollutant levels build. In this State of the Environment report, we discuss the causes of some of these local and atmospheric air pollution problems, as well as their general effects on both human health and the environment"--Summary. Issued also in print format. Air Pollution Canada. Pollutants Canada. Environmental monitoring Canada. Environmental health Canada. Canada. Environment Canada, issuing body. Canadian perspectives on air pollution / (CaOODSP)9.609128 State of the environment report ; SOE report no. 90-1. (CaOODSP)9.507116 PDF 61.37 MB https://publications.gc.ca/collections/collection_2020/eccc/En1-11-90-1-eng.pdf