Fliegen, ohne das Klima weiter zu erwärmen – das wäre bald denkbar
Bereits 2,5 Prozent weniger Flüge pro Jahr könnten den Treibhauseffekt der Luftfahrt zum Stillstand bringen, hat ein Forschungsteam errechnet – besser als CO2-neutrales Kerosin.
Es klingt verwirrend: Der Flugverkehr wird lediglich leicht gebremst, geht aber ansonsten normal weiter, doch die Erde soll sich dadurch trotzdem nicht weiter erwärmen? Das behaupten jetzt Klimaforschende im Fachjournal Environmental Research Letters. Was zunächst absurd scheint, ergibt jedoch schnell Sinn, wenn man sich die Herleitung anschaut, und könnte manchen Reisenden die Flugscham nehmen, lange bevor der Traum vom grünen Fliegen Realität werden kann.
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