How will we power the UK in the future?

The climate scientists tell us that we have to move to near zero green house gas emissions quickly to avoid calamitous climate change.

As we do away with coal, oil and gas, what will the UK's energy mix look like? How much nuclear, solar, wind, or biomass?

This free panel discussion seeks answers to this question with the UK Government’s Chief Scientific Adviser Sir Mark Walport, and Prof Iain Stewart.