Today, the Van Wagner group, an airship organisation, estimates that there are only 25 blimps currently operating around the world; there are even fewer zeppelins. ... While conventional airships take on air to descend, they must still dedicate most of the space in the helium envelope to actually storing the helium itself.

When did airships stop flying?

Is the industry finally ready to rise from the ashes of the Hindenburg? Rigid airships were largely abandoned after the Hindenburg's 1937 crash and an increased military preference for planes.

Will airships make a comeback?

But—thanks to the advance of modern technology—it seems airships are on the verge of making a comeback as a serious form of transport. And, with that, they'll be bringing an environmental awareness that could inspire further change in aviation as we look towards the future.