He is one of the UK's best known scientists and on Monday Professor Robert Winston delivered the inaugural Beardmore Lecture to mark ten years of the Golden Jubilee Hospital in Clydebank.

The question he asked was can we survive the 21st century?

He spoke to Scotland Tonight after his speech to discuss the health threats facing us in 2012 and beyond.

More About Scotland Tonight

• How will Kirk's decision to allow gay ministers affect the church?
• What would impact of independence be for pensions and savings?
• Watch a live stream of Scotland Tonight: Scotland's current affairs show
• Nicola Sturgeon and Michael Moore clash in independence debate
• Analysis: Who won the Scotland Tonight debate on independence?
• Debate: Nicola Sturgeon and Michael Moore cross-examine each other
• Currency, oil and debt: The economics of Scottish independence