 How will finding uranium on Mars aid the problem on Earth?
The planet itself was tough enough—barren, desolate, forbidding; enough to stop the most adventurous and dedicated. Nothing but what had stopped us could stop a sandcat: sand in the delicate mechanism of the atomic engine. She had been just as much inflamed by the idea of coming to Mars to help in the search for uranium as I was. We knew the pay was poor, but we had felt it a sort of obligation, something we could do as individuals to keep the industries of radioactives-starved Earth going. I thought I knew everyone on sparsely-settled Mars.
 It can hopefully sustain Earth's industries until the underwater project yields results
 In combination with the underwater project, it will give Earth at least 300 more years of fuel  It will cause more problems, because neighboring countries will fight over the small amount of fuel  It will render the underwater project unnecessary  It can hopefully sustain Earth's industries until the underwater project yields results