"The [Canadian] federal government has quietly approved the use of a highly controversial chemical for dispersing ocean oil spills, despite growing scientific evidence it doesn’t always work as claimed and even intensifies the toxicity of oil."

"Canada will have a national price on carbon emissions by the end of this year, Environment Minister Catherine McKenna says."

"The level of mercury found in the umbilical cords of babies in Grassy Narrows First Nation was high enough to affect their brain development, according to a new report obtained by the Star."

"Dozens of boil water advisories have been issued in Alberta First Nations communities, one after E. coli was detected at a daycare, others after mice were found in water tanks."

"Canada’s pipeline watchdog has given two of North America’s largest energy companies up to six months to fix what industry insiders have described as a series of 'ticking time bombs.'"

"Last week [Canada's] federal government moved to list microbeads as a toxic substance under the Environmental Protection Act, thus giving the government power to ban the use of the microplastics (plastics smaller than five millimetres in size) in items such as body washes, cleansers and toothpastes."

"Enbridge Inc. and its oil industry partners have seen their faint hope for the Northern Gateway pipeline project dealt a major blow Thursday as the Federal Court of Appeal quashed the permit issued by the federal cabinet two years ago."

"TransCanada Corp is formally requesting arbitration over U.S. President Barack Obama's rejection of the Keystone XL pipeline, seeking $15 billion in damages, the company said in legal papers dated Friday."

"The leaders of the United States, Canada and Mexico will pledge Wednesday to source half their overall electricity with clean power by 2025, according to administration officials."