"Canada will impose a carbon price on provinces that do not adequately regulate emissions by themselves, Environment Minister Catherine McKenna said on Sunday without giving details on how the Liberal government will do so."

"A group of mayors from Canada and the U.S. is trying to challenge a recent decision allowing an American city to draw water from the Great Lakes, arguing that it sets a dangerous precedent."

"VANCOUVER – Senior BC Hydro executives have worried for years that earthquakes triggered by fracking operations in search of natural gas could damage its two big dams on the Peace River, putting thousands of people at risk if the dams fail."

"KENORA, Ont. — The federal Liberal government is formally committing $1.7 million over two years to support a renowned freshwater research station that nearly fell victim to Conservative budget cuts."

"The City of Montreal is spending hundreds of millions of dollars to replace lead pipes that deliver water to homes."

"A Husky Energy Inc oil spill into a major Canadian river on July 20 was the third in the same area in eight months, government records showed, and could put new pressure on the province of Saskatchewan's energy regulator to improve its monitoring of pipelines."

"Environmentalists are again taking aim at the company that proposed the Keystone XL pipeline — this time for another of its projects they fear would send hundreds of supertankers laden with crude oil down the Atlantic coast to refineries in Texas and Louisiana."

"The oil-train boom is waning almost as quickly as it began."

"Husky Energy issued a release on Tuesday afternoon as a "clarification" of the timeline surrounding the leak of 200-250 cubic meters of oil into the North Saskatchewan River."

"Husky Energy Inc has indefinitely closed a pipeline that leaked oil into a major Canadian river, a company official said on Monday, as the spill forced a second city to stop drawing drinking water."