Ferry travel is booming, supersonic flights are next: How sustainability and tech are changing mobility in tourism

Brittany Ferries via rawpixel.com on Creative Commons. https://creativecommons.org/publicdomain/zero/1.0/https://creativecommons.org/publicdomain/zero/1.0/

Five years ago, the world stood still. Planes were grounded. Cities fell silent. And the travel industry, a $9 trillion economic engine, was brought to its knees.