Why we need to expand into space

Zentropa writes: Why do humans need to explore and colonise space? To save the planet and our species, argues an opinion piece in Cosmos, an Aussie science magazine, by its editor. Makes some good points, and come at it from an angle I hadn't condidered before — like that the universe DESERVES us. If you're a space fan as I am, and sick of those boring "why spend all that money in space when there ar so many problems here on earth", this gives some ammo.