"Prime Minister Stephen Harper, in an effort to win U.S. backing for the Keystone XL pipeline, has sent a letter to President Barack Obama proposing joint action to reduce greenhouse gas emissions in the oil and gas sector"

"MONTREAL — Quebecers should be worried that it took 15 years for officials to clue into the fact that a Pointe-Claire company had a yard full of toxic materials, says one environmental expert, and the public should be demanding more transparency in the wake of the discovery."

"OTTAWA -- Ever since President Obama said in June that a litmus test for the proposed Keystone XL oil pipeline from Canada was whether it would 'significantly' worsen global warming, Canadian government officials have insisted it would not."

"Quebec's government last week added rail giant Canadian Pacific Railway Corp. to its list of companies deemed responsible for cleanup costs following last month's deadly oil train derailment."

"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."