"The Obama administration on Thursday approved a pipeline to carry oil-sands fuel from Canada into the US."

Canada faces a monumental challenge in finding a way to store or dispose of highly radioactive spent nuclear fuel. The problem has dragged on unsolved for decades, and any solution is likely to prove costly.

"A Vernon parent is wondering why school playing fields are still being sprayed with pesticides as communities across the country have discontinued using chemicals to control weeds."

"More than 20,000 old oil and gas wells across [Alberta] have been sitting abandoned or inactive for more than a decade without being cleaned up, worrying landowners and environmentalists who say the sites unnecessarily eat up and possibly contaminate valuable farm land."

"The Canadian Food Inspection Agency has quietly approved a new genetically engineered corn with eight different insect- and weed-fighting traits, but farmer and environmental groups in Canada say the approval was rushed and environmental risks ignored."

Winds are whipping up wildfires in a British Columbia community where housing subdivisions have encroached on surrounding forests in recent years. Thousands of people are being evacuated from their homes.

"Canadian nuclear safety regulators say they have underestimated the seriousness of a design feature at the country's electricity-producing reactors that would cause them to experience dangerous power pulses during a major accident."

"Aboriginal leaders welcomed an agreement announced Monday between the federal and Ontario governments to clean up 16 abandoned Cold War radar sites in northern Ontario at an estimated cost of more than $100 million."

"The US and Canada have agreed to update the 37-year-old Great Lakes Water Quality Agreement that commits both countries 'to restore and maintain the chemical, physical, and biological integrity of the waters of the Great Lakes Basin Ecosystem.'"

"The United States and Mexico might consider emulating Canada when it comes to public reporting of industrial pollutants that are released into the air or water or transferred for disposal or recycling, suggests a new report."

"A Canadian service station today became the first in the world to sell gasoline blended with biofuel made from wheat straw."

"Canada plans to expand one of its most prized parks to more than six times its current size in a move to help protect the habitats of grizzly bears, caribou and other species...."

"Lyme disease is moving its way into new parts of Canada but the government is not doing enough to track it or to teach doctors how to diagnose it, says a new report."

"The Sierra Club, Greenpeace and 28 other North American environmental groups are calling on the United States and Canada to boost investments in clean energy, halt industrial fishing in the Arctic and freeze expansion of the Alberta's oil sands...."

"Canada's rules for cutting greenhouse gas emissions may not come into effect by 2010 as had been planned, Environment Minister Jim Prentice said Thursday."