BA (Hons) and MA in Natural Sciences, Cambridge; PhD in Experimental Physics, Harvard. 1963-71, Resident Tutor in Physics, Astronomy, Environment and Demography, Harvard University; 1972-76, Director, Government of India, New Delhi; 1976-82, Director, Infoterra, UN Environment Programme, Nairobi; since 1983, President, Development Alternatives, New Delhi. President, Club of Rome. President, International Union for Conservation of Nature. Adviser and Consultant: World Bank; UNEP, UNDP; Ministries of Environment, Science and Technology; Science and Advisory Council to Cabinet; National Security Advisory Board, Government of India. Former Member of the Board: WWF; IISD; Alliance for a New Humanity; ZERI. Member, World Future Council. Recipient of awards, Officer of the British Empire; Sasakawa Environment Prize; Outstanding Social Entrepreneur, Schwab Foundation.