Changes to flight paths could reduce aircraft effect on climate

Small alterations to routing, which would add about 1% to airlines’ operating costs, could have significant resultsSmall tweaks to flight paths could reduce the effects that aircraft have on climate by as much as 10%, a new study shows. For a roughly 1% increase in operating costs, airlines could make significant climate change cuts by optimising their routes according to the weather, time of day and time of year.Aircraft affect Earth’s climate by emitting greenhouse gases, and creat