If we destroy our planet will science find a new one?

If I had a telescope I think I would do this. I don't know if I would leave Earth to help colonize another planet though. I think I have seen too many scifi movies where the colonists get royally screwed. But I wonder, if we get that far while I am still in a healthy state, might I change my mind? Would you go?

Read more at www.cnn.com/2006/TECH/s...