"A major Canadian oil field in the province of Saskatchewan would likely have reached the end of its life eight years ago. But thanks to carbon capture and storage, a technology widely touted by the oil and gas industry and some political leaders as a key solution for climate change, the field could still be producing 1.5 million barrels of oil annually by the year 2100."

"A First Nation in northwestern Ontario that has faced decades of mercury poisoning is suing the provincial and federal governments, arguing they've failed to protect its treaty rights."

"Squirrel Island is being returned to its rightful owners. But between an abandoned dump, lack of utilities and a decades-long court battle, the process is far from easy — and far from over".

"Lower-than-normal rain and snow have reduced Canada’s hydropower production, raising worries in the industry about the effects of climate change."

"Underwater noise from ships has gotten louder, reshaping marine ecosystems and the lives of animals that depend on sounds to eat, mate, and navigate. Can ships ever pipe down?"

"Canada’s advertising regulator has determined that ads claiming liquified natural gas (LNG) will lower emissions are inaccurate, misleading, and distort scientific data."

"The amount of air pollution coming from Canada’s oil sands extraction is between 20 to 64 times higher than industry-reported figures, according to a groundbreaking study. Researchers found that the total amount of air pollution released from the oil sands is equal to all other human-caused air pollution sources in Canada combined."

"It’s a grim — and familiar — start to wildfire season in Western Canada as tinder-dry forests go up in flames."

"The threat from a wildfire near Canada’s oil sands hub of Fort McMurray, Alberta, appeared to be easing on Wednesday, a day after it forced thousands of residents to evacuate and stirred memories of a damaging blaze nearly a decade earlier."