Its soil contains raw materials that might be harvested and processed into rocket fuel or breathable air.

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And certainly nevermind the fact that natural gas is reducing greenhouse gas emissions and providing us with cleaner, more breathable air.

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But some are also thought to harbour water ice, which could be used as a raw material for the manufacture of rocket propellant or even breathable air.

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Thanks to an artesian well and an independent generator (which powered old submarine chillers to keep the air breathable), staff could have lived down here for months.

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