Director general of the Energy and Resources Institute (TERI) R. K. Pachauri (R) presents the Green Globe Award for Outstanding Contribution by a celebrity to Bollywood actor Abhishek Bachchan (L) during the Delhi Sustainable Development Summit in New Delhi on February 2, 2012. The 12th edition of the Delhi Sustainable Development Summit focusing on the theme, 'Protecting the Global Commons: 20 Years Post Rio', was inaugurated by Prime Minister Manmohan Singh.