By Jewel SAMAD / AFP How many tons of CO2 will be emitted by the World Cup event in Qatar, taking place November 20 to December 18? According to estimates made by the Greenly app, the bill could be twice as high as the 3.6 million tons of CO2 equivalent announced by FIFA. How many tons of CO2 will be emitted by the World Cup event in Qatar, taking place November 20 to December 18? According to estimates made by the Greenly app, the bill could be twice as high as the 3.6 million tons of CO2 equivalent announced by FIFA. Six million tons of CO2 equivalent: the total carbon footprint of the World…