By contrast, the same passenger, flying economy class from JFK International airport to Los Angeles, a distance of 2,466 miles, generates about 0.36 tons of carbon dioxide.

• 相比之下，同一位乘客从甘迺迪机场飞行2；466英哩到洛杉矶，则产生约0.；36公吨二氧化碳。