Northern rivers turn orange and toxic due to thawing permafrost, study shows | Unpublished
Hello!
Source Feed: The Globe and Mail
Publication Date: May 21, 2026 - 17:01

Stay informed

Northern rivers turn orange and toxic due to thawing permafrost, study shows

May 21, 2026
Ancient bedrock exposed by disappearing permafrost is releasing toxic metals into Canada's northern rivers, a new study says, with some once-pristine subarctic streams now comparable to highly acidic, contaminated mining sites.


Unpublished Newswire

 
Re: A tip of the hat for compensating restaurant servers, Jerry Agar column, May 19 Read More
May 24, 2026 - 05:00 | Doug Menary, Ottawa Citizen | Ottawa Sun
Ketcia Peters still remembers the moment a teacher told her she was a leader. Read More
May 24, 2026 - 04:00 | Gord Holder, Postmedia | Ottawa Citizen
A study published this month by researchers at the University of Ottawa has found that applying woodchips to some trails significantly reduced local tick populations.
May 24, 2026 - 04:00 | | CBC News - Ottawa