Travelling to and colonising other planets is an idea that has filled us with wonder ever since we gazed up into the night sky.

But with current technology, the idea of establishing a ‘Planet B’ is far more distant than the actual distances we would have to travel to get there.

So, if there really is only one place we can call home, then how do we go about making it a better one?

Mike Berners-Lee, Professor and Senior Fellow of the Institute for Social Futures at Lancaster University, Director of Small World Consulting & author of ‘There is no Planet B’ joins Jonathan to discuss