after the 9/11 terrorist attacks grounded commercial air traffic, "there was a temperature drop while the airplanes weren't flying, for the week afterwards."
after the 9/11 terrorist attacks grounded commercial air traffic, "there was a temperature drop while the airplanes weren't flying, for the week afterwards."
september 11 attacks:168
play media at 9:42 a.m., the federal aviation administration (faa) grounded all civilian aircraft within the continental u.s., and civilian aircraft already in flight were told to land immediately.