"MONTREAL -- Tests conducted by an environmental group suggest last month’s Lac-Mégantic, Quebec, train disaster had a devastating impact on water quality and soil in the affected area."

gas emissions. Now there are mounting concerns about the huge volumes of water used by the oil industry and the impact on the vast Mackenzie River Basin."

"PORT EDWARD, British Columbia -- Some of the world's largest energy companies are racing to transform backwaters like this hamlet of 544 people into boomtowns."

"OTTAWA — Faced with uncertainty over its proposed Keystone XL pipeline, which would link Canada’s oil sands with the American Gulf Coast, TransCanada said on Thursday that it would build a pipeline to eastern Canada."

"Stunning footage of dust coming from Detroit-side stockpiles of the heavy crude byproduct deepens environmental concerns."

"Oil spills at an oil sands operation in Cold Lake, Alberta have been going on for weeks with no end in sight, according to a government scientist."

"LAC-MEGANTIC, Quebec -- Two residents of the Quebec town of Lac-Megantic, where a runaway train derailed and exploded into a wall of fire that killed 50 people, have launched a class action lawsuit to win compensation for the small community."

"Prime Minister Stephen Harper has moved his cabinet’s lone aboriginal minister into the sensitive portfolio of Environment as the government works to win crucial First Nations’ support for new pipelines and other resource-development projects."

Canada is "making itself seen and heard inside the Beltway, lobbying for approval of the Keystone XL pipeline, the controversial project that's become a lightning rod in the debate over climate change."

"On a typical day in North Dakota prairie towns like Williston, Dickinson and Beulah, trains with 100 tank cars line up to be loaded with oil destined for markets to the east, west, and south."