by Frédérique BÉRUBÉ / Frederique BERUBE Agence France Presse Montreal, Canada (AFP) — A choreographed ballet of massive trucks, snowplows and snowblowers takes over the streets of Montreal whenever it snows, an enormous logistical effort with a significant environmental cost. Hundreds of snow-clearing vehicles are deployed across the frigid Canadian city for 100 or more days each year on average, dusting the road with salt and belching emissions into the air. “The snow challenge in […]