Editing Geography of Canada (section)

==Environmental issues==
{{main|Environmental issues in Canada}}
[[File:Heavy night industrial light pollution.jpg|thumb|right|[[Economy of Canada|Industry]] is a significant source of air pollution in Canada.]]

Air pollution and resulting [[acid rain]] severely affects lakes and damages forests.<ref name="Boyd2011"/> Metal smelting, coal-burning utilities, and vehicle emissions impact agricultural and forest productivity. Ocean waters are also becoming contaminated by agricultural, industrial, mining, and forestry activities.<ref name="Boyd2011"/>

Global [[climate change]] and the warming of the polar region will likely cause significant changes to the environment, including loss of the [[polar bear]],<ref>{{cite web
  | title = The Committee on the Status of Endangered Wildlife in Canada
  | publisher = Government of Canada
  | url = http://www.cosewic.gc.ca/eng/sct0/sct0_200804_e.cfm
  | access-date = 7 November 2008
  | archive-url = https://web.archive.org/web/20110721203415/http://www.cosewic.gc.ca/eng/sct0/sct0_200804_e.cfm
  | archive-date = 21 July 2011
  | url-status = dead
  }}</ref> the exploration for resource then the extraction of these resources and an alternative transport route to the [[Panama Canal]] through the [[Northwest Passage]].

Canada is currently warming at twice the global average, and this is effectively irreversible.<ref>{{Cite web|title=Canada warming up twice as fast as rest of the world, and it's 'irreversible': report|url=https://globalnews.ca/news/5119325/canada-warming-rate-environment-canada/|access-date=2020-09-24|website=Global News|language=en-US}}</ref>