Play, with Lucy Hawthorne

We play when we're kids to try new things and learn how the world works, and when we think no-one's looking we do it as adults too. Play's important for our development and so you should probably do it or you'll turn out a wrong'un. But Dave's guest today says play is also a way to smash the Very Serious Rules of how to think about climate change - rules the following of which demonstrably are not working. If play = creativity, and creativity = necessary, is it time to lark abou...