Manitoba researchers look at potential impact of wildfires on polar bear denning habitat

Wildfire smoke in several parts of the country is forcing summer camp providers whose communities are under air quality warnings to shift activities indoors or make other changes to keep campers safe.Environment Canada issued special air quality statements or warnings on Monday for much of Central Canada, Manitoba and Saskatchewan owing to smoke from wildfires in northern Ontario and the Prairies, while smoke also drifted into Quebec and Atlantic Canada.