Planes Are Ruining the Planet. New, Mighty Airships Won’t.

Some scientists are serious about resurrecting zeppelins for low-carbon travel

Rendered image of a hybrid airship. Credit: Lockheed Martin.

This August, Greta Thunberg sailed across the Atlantic in a zero-emission sailboat to protest the high carbon footprint of plane travel. But there’s good reason to think she may someday travel to climate protests via airship — the same…