"The Copper Mountain mine is one of a growing number of old, shuttered mines around the world that are being revisited, refurbished and reopened by companies hoping to cash in on the current surge in prices for copper, gold, nickel and a host of other metals."

"The average Canadian is in denial about the impact of air pollution on human health, assuming that it is either a long-term threat or a risk factor for vulnerable parts of the population, says a newly-released federal report."

"Formerly rare beak deformities are spreading rapidly among crows in southwestern B.C. and Puget Sound, according to researchers from the U.S. Geological Survey."

The George River herd of caribou in Labrador has fallen about 90 percent in population size from a peak some 20 years ago.

"Canada said on Tuesday it will design a system to better monitor whether northern Alberta's huge oil sands projects are polluting waterways after an independent scientific panel found major flaws in the current monitoring system."

"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."