"A Canadian court ruled on Friday that a federal carbon-pricing plan does not violate the constitution, marking a victory for Prime Minister Justin Trudeau over one of his trademark policies ahead of the October national election."

"Prime Minister Justin Trudeau’s already shaky bid to persuade Canadians to fight climate change will get even tougher after the election on Tuesday of conservative Jason Kenney as premier of the energy-rich province of Alberta."

"From how concrete is mixed for road construction, to roofing standards enabling buildings to withstand stronger storms and plans to help homeowners manage increased flooding, Canada's building rules are being rewritten due to climate change, according to briefing notes for a senior government official seen by CBC News."

"Canada on Monday imposed a landmark carbon tax on four provinces which had defied Ottawa’s push to combat climate change, prompting unhappy premiers to say they would challenge the measure."

"Canadian National Railway says it doesn’t yet know how much oil leaked from a derailment in western Manitoba, but it says trains are now running on the line again."

"The Canadian government, two territories and several First Nations are expressing concerns to the United States over plans to open the calving grounds of a large cross-border caribou herd to energy drilling, despite international agreements to protect it."

"In an unprecedented move, the Dzawada’enuzw nation is claiming in court that farming Atlantic salmon — which often carry disease — in their traditional waters constitutes a violation of Aboriginal rights".

"In a rare rebuke, the United Nations has instructed Canada to suspend construction of the Site C dam on B.C.’s Peace River until the project obtains the “free, prior and informed consent” of Indigenous peoples."

"The RCMP say it has arrested 14 people Monday evening for allegedly violating the conditions of an interim court injunction requiring the removal of a blockade to a forest service road in northern British Columbia that is preventing access to a pipeline project."