International Ecotourism Club
Network of ecolodges and operators. Includes articles and interviews with exotourism experts.
The International Ecotourism Society
Provides guidelines and standards, training, technical assistance, research and publications to foster sound ecotourism development, with membership in over seventy countries.
Campaigns to reduce social and environmental problems connected to tourism. Includes guides to ethical tourism and educational resources for students and teachers, and members area with forums.