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A comment on Inventory of CO2 available for terraforming Mars. Parent comment

Re:Inventory of CO2 available for terraforming Mars by vkou on Monday July 30, 2018 @05:53PM (#17648455)
> If we're going to live in underground habitats on Mars for humanity-backup, isn't it easier to just build underground habitats on Earth?

It is, unless the scenario you are hoping to survive is "Hordes of proles at the gates."

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