HARDtalk - Tim Smit, CEO, the Eden Project

Stephen Sackur talks to Tim Smit, the founder and CEO of the Eden Project in Cornwall. Known for its remarkable architecture and environmental innovation, it has become one of Britain's top tourist attractions - yet just 15 years ago the site it inhabits was a disused quarry. Stephen Sackur asks Smit if the public can ever be converted to truly sustainable development.