How space tourism could open our eyes, help save Earth

By Mike Wall \Space.comSAN MATEO, Calif. — Opening spaceflight up to the masses could help spark a global conservation ethic that stems the tide of environmental destruction on Earth, NASA's science chief says.Seeing our fragile Earth hanging alone in the blackness of space tends to be a life-altering, or at least perspective-changing, experience. If more people around the world are treated to tha...

 
 
 
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