00000nam 2200000zi 4500 9.929045 CaOODSP 20250612144351 m o d f cr mn||||||||| 231018t19891989oncab o f000 0 eng d 0662172930 (print) CaOODSP eng rda CaOODSP r------ En57-29/3-1989E-PDF En57-29/3-1989E Arctic haze : visible air pollution. Downsview, Ontario : Environment Canada, Atmospheric Environment Service = Environnement Canada, Service de l'environnement atmosphérique, 1989. ©1989 1 online resource (4 unnumbered pages) : illustrations, map. text txt rdacontent computer c rdamedia online resource cr rdacarrier Changing atmosphere, fact sheet, 0847-3099 Issued also in French under title: Brume arctique : pollution atmosphérique visible. "December/89"--Page [4]. Digitized edition from print [produced by Environment and Climate Change Canada]. Haze Arctic regions. Air Pollution Arctic regions. Canada. Atmospheric Environment Service, issuing body. Brume arctique : (CaOODSP)9.939231 Changing atmosphere, fact sheet (Canada. Atmospheric Environment Service) PDF 1.97 MB https://publications.gc.ca/collections/collection_2023/eccc/En57-29-3-1989-eng.pdf