The National Air Traffic Services (NATS) is conducting contrail avoidance research in collaboration with global airlines. Seventeen global airlines, including American Airlines, Delta Air Lines ...

A report published in 2021 by the Intergovernmental Panel on Climate Change said that clouds formed from contrails account for about 35% of aviation’s global-warming impact. Now, airlines ...

The tool allows for efficient contrail simulations even globally. The method has been tested for some case studies with comparisons to observations. The most critical input parameter is the NWP ...

In May, the results from the first real-world trial of persistent contrail formation avoidance involving thousands of passenger flights above Belgium, the Netherlands and northern Germany over the ...