Over the last four decades, Canada’s carbon monoxide levels have dropped by 90 per cent.
No one really knows the true cost to humanity of an extra tonne of, say, carbon dioxide put into the air.
Provincial carbon taxes will continue to distort energy markets, raise energy and food prices, and reduce economic competitiveness.
Canada’s greenhouse gas levels have been declining since 2005.
UBC's board of governors has voted against selling off its $85 million stake in fossil-fuel businesses.
During the recent election campaign, the new federal government committed to pursuing evidence-based public policy.