There's no basis for claiming that energy companies secretly concealed knowledge of climate risks.
Canada has some of the most stringent air quality standards in the world.
Concentrations of ground-level ozone have also decreased.
William Watson: Is sustainable energy really sustainable? Not if you count fiscal sustainability, too.
The Green Party opposes the Nova Scotia government’s apparent plan to back the re-opening of the Donkin coal mine in Cape Breton.
Turns out, LEED school buildings actually consume more energy, and therefore cost more money, than non-LEED schools.