At a series of 4 debates held at the Natural History Museum from January to April 2012, expert panels discussed issues key to the upcoming Rio+20 earth summit.
We filmed each live debate. You can watch each debate in full in our video archive or watch short videos of debate highlights produced by Stakeholder Forum.
Ecosystem economics – can we put a price on nature?
Beyond GDP – how can we measure progress?
Green cities in a green economy – how to pioneer a sustainable transition?
Food security – how do we feed 9 billion people in 2050?