Globe and Mail: Ottawa is set to proclaim a dramatic decline in key pollutants like heavy metals and sulphur as it seeks to burnish its environmental record in the face of criticism at home and in the United States.
In a report to be released on Friday, Environment Canada says emissions of mercury and lead were down 23 per cent and 21 per cent respectively in 2011 from the previous year, while sulphur oxides were 7 per cent lower and nitrogen oxide was down 6 per cent. The 2011 report does not cover carbon dioxide...