https://www.avweb.com/aviation-news/airplane-effect-snow-dusts-ohare-midway/
I seem to recall that immediately after 9/11 when almost all flights were grounded there was an effect on weather due to lack of high-altitude vapor trails. I don't remember whether it was beneficial or detrimental to "global warming" (climate-change can go either way, I guess).
I seem to recall that immediately after 9/11 when almost all flights were grounded there was an effect on weather due to lack of high-altitude vapor trails. I don't remember whether it was beneficial or detrimental to "global warming" (climate-change can go either way, I guess).