Environmental Adventure Company - Itineraries and guide profiles for wildlife and cultural travel experiences in North and South America. - http://www.eactours.com
Voyage of the Wanderbird - Operates long distance sailing cruises that provide informal education and interactive wildlife research projects. - http://www.wanderbirdcruises.com/
Reef and Rainforest - Offers educational family adventure holidays worldwide. - http://www.familytours.co.uk/
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. - http://www.volunteersecuador.com/
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. - http://www.dolphincharters.com/
Green Travel Network - Yahoo groups forum with focus on sustainable tourism. - http://groups.yahoo.com/group/green-travel/
World Primate Safaris - Presents destination and accommodation options, suggested itineraries, terms and conditions, and contact details. - http://www.worldprimatesafaris.com/
Global Research on Wildlife - Offers hands-on research and conservation experience and training with expert biologists. - http://www.wild-expeditions.co.uk/
Sustainable Travel International - Non-profit organization that supports and promotes ecotourism, through education and outreach. Includes employment opportunities and programs. - http://www.sustainabletravelinternational.org/
Travelroots - Presents destination information for responsible, ecologically sustainable holidays worldwide with useful links and tips. - http://travelroots.com/
Ecotourism Activity Guide - Information on ecotourism with links to associated activities and organizations. - http://www.ecotourism-activityguide.com/
Discovery Initiatives - London agency offers unique holidays, including walking the wilderness trail and wildlife conservation programs. - http://www.discoveryinitiatives.co.uk/
Tours of Exploration - Offers soft adventure, birdwatching, wildlife viewing, natural history, culture, and ecotourism programs worldwide - http://www.toursexplore.com/
New Jersey Audubon Society - Information on North American and International Eco-tours focused on birds and other wildlife. - http://www.njaudubon.org/Travel/
Basecamp Explorer - Showcases worldwide destinations and philosophy. Includes terms and conditions, and contact details. - http://www.basecampexplorer.co.uk/
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. - http://www.crookedtrails.com/
Ecotrackers Foundation - Non-profit organization of international volunteers and students working to preserve the cultural and biological diversity of Ecuador. - http://www.ecotrackers.com/
Worlds Together Travel Network - Immersion travel and cultural opportunities in Jamaica, Dominica Republic, Belize, and Egypt. Includes destination information and trip reports. - http://worldstogethertravel.com/
Wildspace Expeditions - Personalised Indian and African wildlife tours catering to small private groups. - http://www.wildspace.biz/
Lindblad Expeditions - Provider of small ship cruises presents itineraries, schedules, prices, and daily expedition reports. - http://itins.expeditions.com/
ResponsibleTravel - Ethical travel resource providing information about the environmental impact of tourism, respect for local cultures and laws, photography, and banned souvenirs. - http://www.responsible-travel.org/
Fischer Outdoor Discoveries - Offers wildlife tours of Yellowstone and Glacier National Parks, Alaska, and Botswana, with news and testimonials. - http://www.fischeroutdoor.com/
Naturetrek - Selection of international tours, treks and cruises guided by British naturalists. - http://www.naturetrek.co.uk/
Hosking Tours - Details and itineraries for photographic tours and safaris to a range of destinations. - http://www.hosking-tours.co.uk/
DreamWeaver Travel Company - Presents itineraries, guidelines, and travel ethics for guided tours to West Africa and South America. - http://www.dreamweavertravel.net
WildWatch Tours - Offer escorted wildlife and photographic tours. Includes destination information, guide profile, and enquiry form. - http://www.wildwatchtours.co.uk/
Ecovolunteer - Information for travellers volunteering to participate in environmental projects worldwide. - http://www.ecovolunteer.de/
The Original Canopy Tour - Offers information for canopy tour companies in seven international locations. Includes photos and booking information. - http://www.canopypago.com/
Cross Cultural Journeys - Offers travel opportunities for individuals and groups seeking personal and global awareness. - http://www.crossculturaljourneys.com/
Eco Trail - UK based operators of marine, mammal, and birding tours in Sri Lanka and Brazil. - http://www.ecotrail.co.uk/
One World Journeys - Offering expeditions dedicated to connecting people with the planet. Includes schedules, past journeys, and environmental articles. - http://www.oneworldjourneys.com/
Footloose Forays - Selection of small group educational trips into the natural world, from day trips to three week adventures. - http://www.footlooseforays.com/
Kalahari Management Inc. - Information and consultancy for the ecotourism industry. - http://www.kalahari-online.com/
International Wildlife Adventures - Offering trips around the world to observe and photograph wildlife including polar bears. Led by professional photographers and naturalists. - http://wildlifeadventures.com/
EcoVentures Nature Tours and Travel - Offering guided small group tours and customized tours for individual travelers. - http://www.ecoventures-travel.com/
Journeys International, Inc. - With more than 300 eco-trips to 45 worldwide destinations for nature and culture explorations. - http://www.journeys-intl.com/
Earth Routes - Provides worldwide destination and project information with links to travel advisories and home exchange opportunities. - http://www.earthroutes.net/
Manaca Ecotravel - Offers worldwide tours. Includes destination details with ecological assessment ratings. - http://www.manaca.com/
Ecotravel.com - On-line magazine with directory of operators, lodges, private guides, organizations, and ancillary travel services.. - http://www.ecotravel.com/
Exotic Worldwide Adventures - Ecotours in Venezuela and the Western United States. - http://www.exoticwadventures.com/
Planeta.com - Virtual library archiving more than 8,000 pages about ecotourism and conservation. Includes contacts and bibliographies. - http://www.planeta.com/