If you had a bad year and aren't exactly thrilled with the prospects for (a) your personal slice of humanity or (b) civilisation as a whole in 2015, astronaut Chris Hadfield has some words of advice.
Because as it turns out, things aren't that bad. In fact, there are lots of reasons to be excited about the future - it's going to take some work, he says, but things can get better.
This is how.