The proposed airships would move cargo more efficiently than oceangoing freighters — and produce far less pollution.
As proposed in a recent scientific paper, the new airships would be 10 times bigger than the 800-foot Hindenburg — more than five times as long as the Empire State Building is tall — and soar high in the atmosphere. They’d do the work of traditional oceangoing cargo ships but would take less time and generate only a fraction of the pollution.
For more, check out this NBC News story.