He has served on many committees set up by the Ministry of Environment and Forests and Ministry of Human Resource Development of the Government of India, primarily focusing on the greening of India's formal education system, and initiatives for biodiversity education. He is a member of the Earth Charter International Council and was part of the delegations which represented India at the Earth Summit (1992) in Rio and the Earth Summit 2002 in Johannesburg. He was instrumental in initiating the South and Southeast Asia Network for Environmental Education (SASEANEE). He is currently vice-chairman of the Indian National Commission for the International Union Conservation of Nature (IUCN). He also led the first international conference on the UN Decade of Education for Sustainable Development in Ahmedabad in 2005, and he is a member of the UNESCO Reference Group for DESD and the International Steering Committee for the end of the Decade Conference.