Read on for some fascinating airplane facts ... leave behind today will shape the skies of tomorrow. Let’s make sure they’re trails we can be proud of.

One recent day, I walked to my perch and watched a plane make its way west ... persistent, nonspreading trails that maintain their narrow form but can linger a long time; and persistent spreading ...

Boeing delivered more commercial planes last month than at any other ... Despite the quarterly increase, Boeing still trails Airbus for the most commercial aircraft delivered so far this year ...

Contrails — short for condensation trail — are the white streaks ... the flight path of this small fleet of planes ever so slightly could make a big difference. American Airlines is already ...

The white trails left by airplanes may be more problematic than they seem. While reducing fuel consumption is a priority, another lesser-known aspect of aviation also contributes to global warming: ...