2% is way understating the climate effects, it's ~5 % [1] [2]. Also, it's been growing fast. [1] pop sci: https://www.dw.com/en/to-fly-or-not-to-fly-the-enviro

2% is way understating the climate effects, it's ~5 % [1] [2]. Also, it's been growing fast. [1] pop sci: https://www.dw.com/en/to-fly-or-not-to-fly-the-environmental-cost-of-air-travel/a-42090155 https://www.dw.com/en/to-fly-or-not-to-fly-the-environmental... [2] source: https://archive.ipcc.ch/ipccreports/sres/aviation/index.php?idp=83 https://archive.ipcc.ch/ipccreports/sres/aviation/index.php?...