The extremely high temperatures out west in recent days have had a number of consequences. One you might not have thought of is the impact on air travel. Airplanes have trouble taking off if the air is too hot because the density is reduced, affecting the lift. For more about this and other heat-related impacts on air travel and how it is expected to change in the future, check out this article from Time magazine.

Source: Anders Sandburg, Commons WIkimedia