The study finds that in 2013 more than 330,000 square kilometres in northern Alberta and Saskatchewan absorbed acid deposits high enough to eventually damage life in rivers and lakes.
“This work is a warning,” said Paul Makar, an Environment Canada scientist and lead author on the paper published in the Journal of Atmospheric Chemistry and Physics.
https://ipolitics.ca/2018/07/25/oilsands-could-eventually-acidify-area-size-of-germany-study/