Helen Massy-Beresford

1 week ago | aviationweek.com | Thierry Dubois |Helen Massy-Beresford

The scientific consensus is that contrails have a net warming impact, although some, like those colored blue in this image, have a cooling effect. Contrail formation prevention may help aviation’s sustainability efforts, and industry ought to take advantage of this low-hanging fruit sooner rather than later, environmentalists assert. Meanwhile, air traffic control organizations, concerned about the practicalities involved, have adopted a more...