High proportion of Canadian wildfire smoke originates below ground, scientists report - The Globe and Mail

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High proportion of Canadian wildfire smoke originates below ground, scientists report The Globe and Mail Leong: Where there's smoke, there's a needless political firestorm Calgary Herald Opinion | The U.S. is a pompous bully, and their president is full of hot air Toronto Star U.S. senator stands up for Canada against smoke complaints as U.S. wildfire moves into B.C. Yahoo News Canada