It's a technology that worked 80 years ago." Listen to the full conversation at the top of this post - including the history of airships. This segment was produced by The Current's Julian Uzielli.

Solar airships could make flying more environmentally friendly - but a trip from London to New York would take 3 DAYS Flying by jet is the most damaging transport option for the planet ...

The company’s next airship, Pathfinder 3, will scale up to 600 feet long and will be built in Akron, Ohio, where Goodyear constructed U.S. Navy rigid airships a century ago.

Airships require specialized hangars, massive clearings for mooring, and proximity to their bases. LTA’s hangar in California, for example, spans seven acres and is so tall that fog can form inside.

This summer, 40 teams will be launching homemade, human-powered airships off of a 27-foot-tall flight deck in Milwaukee and gliding over — and then into — Lake Michigan.

The idea of airships has been floated in Canada for years. The Quebec government has also signed a deal with Flying Whales, contributing $30 million to get the idea off the ground.

Euro Airship is planning an around-the-world, non-stop flight with Solar Airship One. It would be the first flight to make the trip without using fossil fuels.

However, airship expert John J. Geoghegan, author of “ When Giants Ruled the Sky “, does not believe in the feasibility of this new initiative.