The Mahalo Top 7
- Information: The International Ecotourism Society
- Wikipedia: Ecotourism
- Conservation International: Ecotourism
- The Nature Conservancy: Ecotourism
- Directory of ecotourism destinations: Ecotourism Portal
- Educational Web Adventures: Ecotourism Game
- Information, directories: Hawaii Ecotourism Association
Ecotourism News
- Frommer's: A Briefing on the World Of Sustainable Travel and Ecotourism (2007)
- AlterNet: Ecotourism: Responsible Travel or Marketing Sham? (2007)
- National Geographic: Unique Mosses Spur Conservation, Ecotourism in Chile (2006)
- The Statesman: "Chocolate Tourism” to drive niche market (2007)
- Newsweek: Friendlier Footprints: Improving Relations With the Locals (2006)
Ecotourism Information and Reviews
- Budget Travel Online: Costa Rica Eco-Trip (2006)
- MSNBC.com: Top 10 ecotourist hotspots (2006)
- Guardian Unlimited: Green travel: Collection of articles
- BootsnAll: Eco/Responsible Tourism Travel Guide
- Information: Ecofriendlytourist.com
Ecotourism Directories and Outfitters
- Ecolodges, tours, jobs: ECOCLUB
- Trips and tours around the world: Natural Habitat Adventures
- Ecotours around the world: Lindblad Expeditions
- Tours on every continent and in space: G.A.P Adventures
- Ecotours of the Americas: Adventure Life
North and Central American Ecotourism
- Belize, Mexico, Guatemala, Honduras, Costa Rica: Ecotourism & Adventure Specialists
- Costa Rica: Lapa Rios
- Costa Rica: Laguna del Lagarto Rainforest Lodge
- Colorado, USA: Aspen Snowmass
- Honduras: La Ruta Moskitia
- Canadian Geographic: EcoTours
South American Ecotourism
- Brazil: Caiman Ecological Refuge
- Brazil: Amazonat Jungle Lodge
- Brazil: Reserva El Nagual
- Ecuador: Black Sheep Inn
- Peru: Amazonia Expeditions
- Andes, Amazon, Galapagos Islands: Southwind Adventures
European Ecotours
- Spain: Mas Lluerna Eco Farm
- Scotland: Wilderness Scotland
- Italy: Tenuta di Spannocchia
- Greece: Dadia Ecotourism Centre
- Ireland: Greenbox
Asian Ecotours
- Laos: The Boat Landing
- Sri Lanka: Tree Tops Jungle Lodge
- Sumba Island, Indonesia: Sumba Nihiwatu
- India: Help Tourism
- Philippines: El Nido Resorts
African Ecotours
- Botswana, Malawi, Namibia, Seychelles, South Africa, Zambia, Zimbabwe: Wilderness Safaris
- Seychelles: North Island
- South Africa: Grootbos Private Nature Reserve
- Botswana, Kenya, Mozambique, Namibia, South Africa, Tanzania, more: CC Africa
- Tanzania: Njari Lodge
Australian and Pacific Ecotours
- Fiji: Aqua-Trek
- Australia: Glasshouse Mountains Eco-Lodge
- Micronesia: Kosrae Village Dive & Eco Adventure Resort
- Australia: Cooper Creek Wilderness
- Fiji: Maravu Plantation and Beach Resort
Arctic and Antarctic Ecotours
- Canada: Cruise North Expeditions
- Canada: Bathurst Inlet Lodge
- Antarctic cruises: INTRAV
- Arctic and Antarctic trips: World Expeditions
Ecotourism Tips
- Budget Travel Online: On Ecotourism (2006)
- The International Ecotourism Society: Your Travel Choice Makes a Difference
- Guardian Unlimited: Pick of the green travel tips (2006)
Ecotourism Criticism and Controversy
- AlterNet: There's No Such Thing As Eco-Tourism (2006)
- New Scientist: Massive growth of ecotourism worries biologists (2004)
- Science News Online: Good Gone Wild (2006)
Ecotourism Blogs and Message Boards
- BootsnAll Travel Blogs: All posts tagged Ecotourism
- TreeHugger: Travel and Nature
- Lonely Planet: Thorn Tree Forum
- Yahoo! Groups: green.travel network
- Ecotourism discussions: Planeta.com
- Gadling: Posts tagged Ecotourism
- TheGreenRocket.com: Being an Informed Ecotourist (July 2, 2008)