Pipeline Challenge: The St’át’imc Chiefs Council, representing 11 B.C. First Nations, is taking Ottawa to court over the Pacific Link oil pipeline’s national-interest designation, calling it unlawful and unconstitutional. Other First Nations have also filed challenges. Climate and Costs: In a youth-led climate case, UBC scientist Simon Donner told court that cutting emissions need not mean a catastrophic financial hit, and that new technologies can bring economic benefits. Warmer Seasons: Experts say unusually warm fall weather is prolonging mosquito season in parts of eastern Canada, with freezing temperatures needed to kill off the insects. Offshore Wind: Vermont and Nova Scotia will explore options to supply the U.S. state with Canadian offshore wind power, though Nova Scotia has delayed its first licensing round for more First Nations consultations. Environmental Risks: An Ontario nuclear plant operator faces federal charges after millions of fish died at the facility in 2025. Meanwhile, Canada is presenting itself as a climate leader at COP31 even as policy rollbacks draw scrutiny.