• African Safari Tours - Recipient of the 2008 Tanzania Conservation Award for lion conservation in the Serengeti National Park. Plan and book your safari tour with African Dream Safaris.
  • Abroad View - Charlene Rose Mangi's articles on eco-travel and sustainable agriculture. Plus, she offers suggestions to future students planning to go green.
  • African Alternatives - Browse and book nature and adventure travel in southern Africa
  • Ecotourism Club - International Ecotourism Club is a mutual aid network for an Ecological & Socially Just Tourism & Living! We started out in 1999 and today have Members worldwide. Harnessing the peaceful power of appropriate forms of tourism at the grassroots & citizens level, we look forward to a gradual & voluntary passage, to a free, stateless & classless world, a world without borders, divisions, violence or oppression, serving the well-being and respecting the rights of all people and other life forms and not the interests and profits of the few.
  • Environmental Traveling Companions opens the beauty and challenge of outdoor adventures to people with special needs. Every year over 2,000 people of all abilities join us to raft whitewater rivers, ski across alpine meadows, sea kayak the waters of the Golden Gate and sleep beneath the open sky. ETC trips enable participants to access the wilderness, gain environmental awareness, and share the adventure. We invite you to join us on a trip. Groups and individuals of all abilities are welcome to participate in our sea kayaking, rafting and cross-country skiing programs.
  • Fodor's Ecotourism Guide - If you're curious about ecotravel, you've got an exploding number of choices to consider. Whether you're keen to explore some wilderness with an ecotourism operator or would like to create your own green trip itinerary, these suggestions will get your eco-friendly wheels spinning.
  • Go Green Travel Green - At Go Green Travel Green, we recognize that living off-the-grid (read: sans electricity) and using earthworm composting toilets isn’t for everyone. But we also love to travel and explore new destination, cultures, and foods. That’s why we focus on simple steps anyone can take to travel greener. From green hotels and public transportation to local food and eco-tours, Go Green Travel Green is your source for eco travel tips, reviews, and news. We’ve traveled the world over and packed our green travel knowledge and experience into this site.
  • Green Travel - Ezine Articles' green travel section.
  • Guardian - Green travel guide
  • Hawaii Ecotourism Association - Mission is to preserve Hawaii's environment and culture through the promotion of responsible tourism practices. Includes links to member operators.
  • The International Ecotourism Society - Uniting conservation, communities and sustainable travel, TIES promotes responsible travel to natural areas that conserves the environment and improves the well-being of local people.
  • Motorhome Road Trip - Motorhome rental holiday site, with destination reviews, campsites, itineraries, and RV booking search 700+ pickup locations in 40+ countries.
  • New York Times - Ecotourism guide
  • Terra Incognita Ecotours - Gerard “Ged” Caddick founded Terra Incognita ECOTOURS in 2004 after over fifteen years of working in the Expedition Travel industry. Ged has led many trips for Lindblad Expeditions, International Expeditions, World Wildlife Fund, National Geographic Society and the American Museum of Natural History as well as many College Alumni groups, the National Audubon Society and the Smithsonian Institution.
  • Sustainable Travel International - Founded in 2002, Sustainable Travel International is a non-profit organization, dedicated to providing education and outreach services that help travelers, travel providers and destinations support environmental conservation and protect cultural heritage while promoting cross-cultural understanding and economic development.
  • Wild Things - WildThings.com directory of adventure travel, wildlife, environmental and extreme sports resources. Organized by region, species or activity.