We could learn a lot from any mission to send people to Mars, such as whether there's life elsewhere in the universe or even the technology for new household appliances.
One of the best ways to find out the challenges of living on Mars is to simulate living on another planet here on Earth. So what's it like to spend several months living the Martian life?
Interplanetary colonisation was once the stuff of science fiction but now there are plans to colonise Mars. How have film-makers and writers dealt with our rapacious Anthropocene age?
We need Mars-level thinking to solve our energy and climate problems here on Earth.