A new report from the Royal Society of Canada provides a mixed verdict on the environmental impacts of oil sands extraction in Alberta.

"The province has launched a probe into the use of the deadly toxin Agent Orange after a Toronto Star investigation showed young forestry workers were doused with the chemical in the 1950s, 60s and 70s."

"ASBESTOS, Quebec -- A plan to increase production from Canada's last asbestos mine near this town named for the deadly mineral has enraged physicians and public health workers around the globe."

"The Canadian province of Ontario said on Friday it will not approve any offshore wind projects and will not accept new applications until there is further scientific research on the industry."

"The federal government’s No. 1 hunting ground for environmental offenders isn’t deep in the mists of the boreal forest — it’s in the back rooms of Canada’s neighbourhood dry cleaners."

"The first link between salmon farms on the British Columbia coast and elevated levels of sea lice on juvenile Fraser River sockeye salmon has been demonstrated by new research published today."

"Bruce Power has been given the go-ahead to transport 16 decommissioned steam generators from southwestern Ontario to Sweden for recycling."

"Environment Canada enforcement officers launched hundreds of investigations, typed up thousands of warnings and carried out tens of thousands of inspections over a recent seven-year stretch. But over that period they nailed down only 32 convictions – putting the annual average at less than five."