IATA calls for more research into aircraft contrail formation and effects

The International Air Transport Association (IATA), which is the global representative body for the airline industry, has called for urgent action to deepen knowledge about the formation and climate impact of contrails formed by aircraft. Such knowledge is essential to allow the development of effective mitigation measures. Contrails are the long, thin, cloud-like streaks that trail behind aircraft flying at altitude, and are formed when water vapour in jet engine exhausts condenses and freezes ...