Teck Resources’ surprise decision drew outrage from politicians in oil-rich Alberta and cheers from environmental groupsA Canadian mining giant has withdrawn plans for a massive C$20.6bn ($15.7bn) tar sands mine, days before the federal government was to decide on whether to approve the controversial project.Teck Resources’ surprise decision to withdraw from open pit Frontier Mine project landed as a bombshell on Sunday night, prompting outrage from politicians in oil-rich Alberta and cheers from environmental groups. Continue reading...