Roads from Rio+20: Dr. Ashok Khosla

In the run-up to the Rio+20 Conference in June 2012, Professor Maarten Hajer (director of the Netherlands Environmental Assessment Agency PBL) talked to an international group of people on the worldwide search for effective ways to solve sustainability challenges.

Here, Dr. Ashok Khosla speaks about his pioneering work with social enterprise in India, striving for sustainable development through environmentally friendly and commercially viable technologies.