Basecamp Explorer - - Showcases worldwide destinations and philosophy. Includes terms and conditions, and contact details.
Crooked Trails - - Non-profit, community-based travel organization promoting study tours, and village-based cultural exchanges with indigenous peoples in South America, Asia, and Kenya.
Cross Cultural Journeys - - Offers travel opportunities for individuals and groups seeking personal and global awareness.
Discovery Initiatives - - London agency offers unique holidays, including walking the wilderness trail and wildlife conservation programs.
Dolphin Charters - - Rates and schedules for small group wildlife and photography cruises in southeast Alaska, California, Baja, British Columbia, Mexico, the Galapagos and San Francisco.
DreamWeaver Travel Company - - Presents itineraries, guidelines, and travel ethics for guided tours to West Africa and South America.
Earth Routes - - Provides worldwide destination and project information with links to travel advisories and home exchange opportunities.
Ecotourism Activity Guide - - Information on ecotourism with links to associated activities and organizations.
Ecovolunteer - - Offer opportunities to help local wildlife organizations with nature protection programs. Information about the organization, destinations, projects and conditions of participation.
Ecovolunteer - - Information for travellers volunteering to participate in environmental projects worldwide.
Environmental Adventure Company - - Itineraries and guide profiles for wildlife and cultural travel experiences in North and South America.
Footloose Forays - - Selection of small group educational trips into the natural world, from day trips to three week adventures.
Hosking Tours - - Details and itineraries for photographic tours and safaris to a range of destinations.
International Wildlife Adventures - - Offering trips around the world to observe and photograph wildlife including polar bears. Led by professional photographers and naturalists.
Journeys International, Inc. - - With more than 300 eco-trips to 45 worldwide destinations for nature and culture explorations.
La Hesperia - - Volunteer working programs at La Hesperia biological station and cloudforest reserve in central Ecuador. Includes requirements and conditions, rates, FAQ, and program details.
Manaca Ecotravel - - Offers worldwide tours. Includes destination details with ecological assessment ratings.
Naturetrek - - Selection of international tours, treks and cruises guided by British naturalists.
New Jersey Audubon Society - - Information on North American and International Eco-tours focused on birds and other wildlife.
One World Journeys - - Offering expeditions dedicated to connecting people with the planet. Includes schedules, past journeys, and environmental articles.
Planeta.com - - Virtual library archiving more than 8,000 pages about ecotourism and conservation. Includes contacts and bibliographies.
Reef and Rainforest - - Offers educational family adventure holidays worldwide.
ResponsibleTravel - - Ethical travel resource providing information about the environmental impact of tourism, respect for local cultures and laws, photography, and banned souvenirs.
Sustainable Travel International - - Non-profit organization that supports and promotes ecotourism, through education and outreach. Includes employment opportunities and programs.
Tours of Exploration - - Offers soft adventure, birdwatching, wildlife viewing, natural history, culture, and ecotourism programs worldwid.
Voyage of the Wanderbird - - Operates long distance sailing cruises that provide informal education and interactive wildlife research projects.
Wildspace Expeditions - - Personalised Indian and African wildlife tours catering to small private groups.
WildWatch Tours - - Offer escorted wildlife and photographic tours. Includes destination information, guide profile, and enquiry form.
World Primate Safaris - - Presents destination and accommodation options, suggested itineraries, terms and conditions, and contact details.
Worlds Together Travel Network - - Immersion travel and cultural opportunities in Jamaica, Dominica Republic, Belize, and Egypt. Includes destination information and trip reports.