Mars poses a critical test for the human race. How well we … - Robert Zubrin

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Mars poses a critical test for the human race. How well we handle it will determine whether we remain a single planet–constrained species or become spacefarers with the whole universe open before us.

Robert Zubrin

Mars Direct: Space Exploration, the Red Planet, and the Human Future: A Special from Tarcher/ Penguin · February 12, 2013 Verified in 1 source Sign up to see the complete provenance

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Carl Sagan Stephen Baxter Michael Crichton Arthur C. Clarke Stanisław Lem

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Global warming and anthropogenic atmospheric chemistry change are both real. They are not currently a crisis. But they are going to become a crisis, and then a disaster, unless something is done to effectively change the current trajectory of events.

There is as much water per square mile on Mars as there is on the continents of our home world.

Today it is about $12,000/year,

Mars poses a critical test for the human race. How well we handle it will determine whether we remain a single planet–constrained species or become s… - Robert Zubrin

Additional quotes by Robert Zubrin