Airports At Water’s Edge Battle Rising Sea Levels
A federal report lists Philadelphia International as one of 13 major U.S. airports that have at least one runway within 12 feet of current sea levels.
There are many more at risk around the world, and some have already faced flight disruptions or closure from storms and floods.
NPR
https://www.npr.org/2018/09/25/651120028/airports-at-waters-edge-battle-rising-sea-levels