"Canada's energy regulator said on Thursday it approved plans for a C$16.2 billion ($16.1 billion) Arctic gas pipeline, a project that faces growing economic pressure as natural gas prices languish."

"Cutting through rhetoric that so often dominates debate over Canada's oil sands, a new report by a prominent academic group is a comprehensive snapshot of the failings and successes of all the industry's stakeholders and raises hope for a new era of oversight."

"Although Canada will not expose its own citizens to asbestos, its plans to continue exporting the deadly substance to developing countries has drawn widespread condemnation. "

A lab downstream of the Alberta oil sands project has been testing Athabasca River water for decades -- but not testing for chemicals that might come from the oil sands.

"Canada's government is not ready to handle a major oil spill from a tanker, in part because its emergency response plan is out of date, Parliament's environmental watchdog said in a damning report on Tuesday."

"Regulators are finally considering a proposal to clean up Yellowknife's Giant Mine, long one of Canada's worst contaminated sites and Environment Canada's single largest remediation project."

Canada's "federal government is introducing the most stringent rules in the world to effectively ban lead from toys for young children and other products that kids put in their mouths."

"Every day, a rising tide of foreign food makes its way onto Canadian grocery shelves, the vast majority of it entering this country untouched by federal inspectors."

"Federal Conservative senators have defeated a private-member's bill on climate change that was passed by the majority of MPs in the House of Commons, marking the first time Prime Minister Stephen Harper has used the clout he has built in the Upper Chamber to kill a law his minority government does not support."

The possibility of producing natural gas from shale formations beneath central Quebec is raising the same debate about its perils and promises as is raging in U.S. states.

"The controversial chemical bisphenol A can render roundworms sterile, kill their embryos, and damage their chromosomes, according to a new lab study."

"Taking any public health measures to ban or control bisphenol A — as Canada recently did — is premature since evidence of its alleged health risks is not strong enough, the World Health Organization said Tuesday."

"Canada's lakes and rivers are awash in harmful contaminants, but new documents warn the federal government's murky understanding of the problem is putting the country at risk."

"The Canadian government [Tuesday] turned down a proposal for a gold-copper mine in central British Columbia due to environmental concerns, while authorizing a second gold-copper mine on B.C.'s northwest coast to proceed."

"Battle lines have been hardening over the proposed Keystone XL pipeline over the last couple of weeks. The pipeline, which will stretch from Alberta in Canada to refineries on the Gulf Coast, would nearly double the United States' capacity to import oil made from Canadian oil sands. Canadian oil sands are a plentiful and secure source of oil, but the extraction process is high in carbon dioxide emissions and takes a toll on pristine Canadian forest ecosystems."