Climate change has attracted more and more attention, and aircraft are increasingly controversial as a means of travel, with some scientists considering airships as an alternative to low-carbon options. Unlike airplanes, airships don’t need much fuel to take off and propel. They fly slowly and are therefore more suitable as a means of transporting goods.
According to a spokesman for the International Air Cargo Association, airship emissions are 80 to 90 percent lower than conventional aircraft.
A paper published in the journal Energy Conservation and Management estimates that an airship can carry 21,000 tons of goods with virtually no energy with the help of a free wind from the jet stream.
These winds can fly the airship from Denver to China in 7 days, or from Los Angeles to Tokyo in 4 days. However, the materials that scientists envision to use jet streams do not yet exist.