English researchers found that “flying between 6 P.M. and 6 A.M. contributed between 60 and 80 percent of the climate warming that originated from contrails, even though these flights represent a quarter of the total air traffic, ” states the report.
આ ઘરગથ્થું બળતણના ધુમાડાને લીધે દર વર્ષે ૫ લાખ સ્ત્રીઓ અને બાળકો મૃત્યુ પામે છે. ” (g 9 / 07)