pollution

The assumption that in-situ oilsands are more environmentally friendly has been turned on its head, in the wake of a new study published Monday by the University of Ottawa.

"The Government of Canada has sought clarification from the Government of Russia regarding the lack of sufficient notification of this rocket launch," said a spokesman for Global Affairs Canada.

Dangerous air pollution is putting many people at serious health risks with the poorest cities facing the most significant impacts.

Most polluted census tracts in 1981 remained the most polluted in 2016 despite nationwide reductions in pollution, study says