Lest you think air travel could not possibly get more miserable, climate change is here to prove you wrong.
Just as extreme heat makes people sluggish and unproductive at best, and threatens human life at worst, it also makes flying airplanes much more difficult. Hot air is less dense than cold air, its molecules zipping around at higher speeds, meaning planes have less lift when the mercury rises. That makes it harder for them to take off and stay aloft.
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