1981
Honorary Senior fellow, International Institute for Environment and Development, London
1984-87
Chairperson, Board of Directors, Environment Liaison Centre, Nairobi
1984
Member, International Advisory Council, Television Trust for the Environment, London
1987
Member, Governing Board, News Concern International Foundation, London
1988-90
Member, Council, World Resources Institute, Washington, DC
1990
Member, International Board of Sponsors, Earth Day 1990.
1990 - 1991
Member of the Commission on Developing Countries and Global Change set up by the International Development Research Centre of Canada and the Swedish Agency for Research Cooperation (SAREC) with developing countries which resulted in an international report called For Earth’s Sake
1992
Patron, Schumacher College, Devon, UK
1994
Member, Board of Directors, ETC Foundation, The Netherlands.
1997
Member, International Working Group on Sustainable Livelihoods, United Nations Development Programme, New York
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
1999
Nominating Committee Member, Stockholm Junior Water Prize, Stockholm
Member, Technical Advisory Committee, Global Water Partnership, Stockholm, Sweden