1999

• Nominating Committee Member, Stockholm Junior Water Prize, Stockholm
• Member, Technical Advisory Committee, Global Water Partnership, Stockholm, Sweden

1998

• Member, Global Water Partnership, Sweden Commissioner, World Commission on Water for the 21st Century, France
• Member, Earth Day 2000 International Council, USA
• Member, Technical Advisory Committee, Global Water Partnership, Stockholm

1997

• Member, International Working Group on Sustainable Livelihoods, United Nations Development Programme, New York

1994

• Member, Board of Directors, ETC Foundation, The Netherlands.

1992

• Patron, Schumacher College, Devon, UK

1990

• Member, International Board of Sponsors, Earth Day 1990.


1988-90

• Member, Council, World Resources Institute, Washington, DC

1987

• Member, Governing Board, News Concern International Foundation, London

1984-87

• Chairperson, Board of Directors, Environment Liaison Centre, Nairobi
• 'The Citizen of the Decade Award 2011' from the Rotary International District 3201, Kerala in January 2011.

1984

• Member, International Advisory Council, Television Trust for the Environment, London

1981

• Honorary Senior fellow, International Institute for Environment and Development, London