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A comment on NASA Data Shows Toxic Air Threat Choking Indian Subcontinent. Parent comment

Re:NASA Data Shows Toxic Air Threat Choking Indian Subcontinent by Noseshine on Thursday July 07, 2016 @02:06PM (#12051059)
Uhm... Canada, not China. I responded to the comment that said

    > You could probably do the same in Canada fwiw.
I would not ask about China, I've seen enough documentaries about their deserts and high plateaus. Some of them about the silk road, which was not an easy one because of that geography.
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Re:NASA Data Shows Toxic Air Threat Choking Indian Subcontinent by soundwave106 on Thursday July 07, 2016 @02:38PM (#12051256)
From what I see, there's a pretty good correlation between the population density map (https://www.britannica.com/place/Canada/images-videos/Popula...) and the portion of Canada at least sporadically covered by permafrost. (http://www.enr.gov.nt.ca/state-environment/13-permafrost)

In addition to the rather obvious climate this implies (eg, rather cold), from what I understand, building anything on permafrost is very challenging.

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Re:NASA Data Shows Toxic Air Threat Choking Indian Subcontinent by soperj on Thursday July 07, 2016 @07:57PM (#12052823)
"sporadically covered by permafrost" - I think you're confused as to the permanency of permafrost.
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