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.

Does anyone use blimps anymore?

Today, consensus is that there are about 25 blimps still in existence and only about half of them are still in use for advertising purposes. So if you ever happen to see a blimp floating up above you, know that it's a rare sight to see.

Will blimps ever 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.