contaminant

Watershed alliance wants Sudbury, Ont., to stop building major roads near watershed

Watershed alliance wants Sudbury, Ont., to stop building major roads near watershed

The Greater Sudbury Watershed Alliance wants the northern Ontario city to stop building major roads near the city's watershed. The group says because arterial roads are legislated to be clear of snow between three to eight hours after a snowfall, the city has to use salt to reach that target. Smaller, less busy roads, though, don't have the same requirements in place, and the city can use sand for traction instead.

Contaminant from coal mines already high in some Alberta rivers: unreported data

Contaminant from coal mines already high in some Alberta rivers: unreported data

The province's plan for large-scale expansion of the industry is fueling widespread criticism that includes concerns over selenium pollution. The data shows that same contaminant has been found for years at high levels downstream of three mines and never publicly reported. The findings raise questions about Alberta Environment, said a former senior official who has seen the data. "There were lots of [selenium] numbers and it was consistently above the water quality guidelines and in many cases way higher," said Bill Donahue, the department's one-time executive director of science. "Why did Alberta Environment sit on these data for easily the last 10 to 15 years?"