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Published on 14 Sep 2026
No cities on the Moon — there isn’t enough water, scientists say
The discovery of water at the poles of the Moon has inspired speculation about whether we can build there – cities, industrial neighborhoods, places where people work and live. But is there enough water, and can we use it efficiently enough? In their new article in Frontiers in Space Technologies, Dr Martin Elvis and Dr Jonathan McDowell do the math. Even at the most generous estimates of the available water and recycling efficiency, a city of one million people would only last 100 years before all the water runs out. In this guest editorial, Elvis breaks down what we can and can’t do with the technology available.
