As humans continue to ravage Earth, is it time to consider other planets as an alternative home? NASA and a host of private organisations - including Elon Musk's SpaceX - are in the race to send people to the red planet, with the earliest projections earmarked for within the next decade. But if we successfully land on Mars, how long could we live there?
Lucie Poulet, a French researcher who spent six months surviving in Mars-like conditions on a remote volcano in Hawaii, says the idea of living on Mars remains pure science fiction for the moment. She believes we would be wiser to use space exploration to make our lives more sustainable on Earth.