*	Paper for the TDRI Seminar on Public Participation and Environmental Management in Thailand, Bangkok, 26 June 1997, sponsored by The Ford Foundation and The Dutch Government.

**	Carel Dieperink is a staff member of the Department of Environmental Studies, Utrecht University, The Netherlands.

1	Gleick’s data come from 1978, and need to be updated for the many changes in international borders, like the breakup of the Soviet Union, since then.