How to Have a Low-Carbon, High-Impact Summer Trip

Getting to the beach doesn’t require a polluting plane.

Passengers for the Eurostar wait at St. Pancras rail station in London.

Photographer: Ben Stansall/AFP/Getty Images

The pandemic is over, beaches beckon and airline bookings are brimming with leisure travelers powering the industry’s rebound from the Covid-19 abyss.

But with the return to flying comes a reminder of its considerable contribution to global warming. Aviation accounts for some 2.1% of CO2 emissions, a share that is set to rise as other industries decarbonize more quickly. Global jet-fuel demand is projected to pass 2019 levels next yearBloomberg Terminal, according to BloombergNEF.