"Wide-ranging investigation, which will look into six different federal departments, is to review incidents in which the media was thwarted when trying to speak to Canadian government scientists about their work."

"Exxon Mobil was working to clean up thousands of barrels of oil in Mayflower, Arkansas, after a pipeline carrying heavy Canadian crude ruptured, a major spill likely to stoke debate over transporting Canada's oil to the United States."

"Canada has become the first country to drop out of the UN convention to combat desertification."

"AKWESASNE — A $20 million settlement may remedy nearly 60 years of environmental pollution to the St. Regis Mohawk Reservation."

"A mile-long train hauling oil from Canada derailed and leaked 30,000 gallons of crude in western Minnesota on Wednesday, as debate rages over the environmental risks of transporting tar sands across the border."

"Teck Coal Ltd. is facing a massive pollution problem in the Elk Valley, where a metal-like element known as selenium is leaching out of mine sites and collecting in the eggs of fish, frogs and water birds."

"YELLOWKNIFE -- Federal officials are scrambling to clean up a crumbling, abandoned northern gold mine that is in imminent danger of releasing massive amounts of arsenic, asbestos and other toxins."

"OTTAWA — The Harper government’s budget cuts to scientific research at Environment Canada have compromised the department’s capacity to crack down on cancer-linked pollution and its mandate to enforce clean air regulations, say enforcement officers in a collection of internal emails obtained by Postmedia News."

The white-nose syndrome fungus that is killing bats in their caves has now spread to 22 U.S. states and 5 Canadian provinces.