English researchers found that “flying between 6 P.M. and 6 A.M. contributed between 60 and 80 percent of the climate warming that originated from contrails, even though these flights represent a quarter of the total air traffic, ” states the report.
Inglismaa teadlased on leidnud, et „kondensjälgedest põhjustatud kliima soojenemisest langeb 60 – 80 protsenti lendude arvele, mis toimuvad ajavahemikus 18.00 kuni 6.00, ehkki need lennud moodustavad kogu lennuliiklusest vaid 25 protsenti ”, öeldakse aruandes.