TreeHugger: How to Go Green Guides Treehugger is quickly establishing itself as THE reference for eco-consumer reviews and advice. Along with their sister site Planet Green, they offer a wealth of invaluable resources for green living.

Responsible Travel Responsible Travel proudly claim to be "the world's leading travel agent for responsible holidays". Their deals include: Adventure holidays, Budget travel, Cultural tours, Cycling/Mountain bike, Family holidays, Gap year, Honeymoon ideas, Independent travel, Luxury travel, Overland tours, Safaris, Scuba diving holidays, Short breaks, Small group holidays, Special interest, Special requirements, Tailor made holidays, Volunteer travel, Walking holidays, Wildlife holidays, Winter holidays.

Green Bang The GreenBang site features sections on Technology, Travel and transport, Energy and Fuel, Carbon, Sustainability, Climate Change and Corporate Responsibility. You can also check out their Greenbang TV channel and subscribe to their RSS feed for regular transport and technology-related green news.

All Things Eco Fantastic resource for finding UK eco businesses for every eco product and service imaginable. Categories include: Clothing / Accessories, Conservation, Eco Building, Eco Children, Energy / Technology, Ethical Finance, Family Events, Farms, Markets and Veg, Boxes, Food and Drink, Garden and Land, Health and Beauty, In the Community, In the Home, Recycling, Resources, Stationery and Office, Transport and Travel and Leisure. You can also view the eco news and green campaigns sections as well as browse their eco bookstore.

Greenzer: Eco-Friendly Winter Sports Guide Entitled 'Eco-Friendly Winter Sports: To Ski or Not To Ski' this guide is a must-read for all eco-friendly skiers and snowboarders.

Matter Network: Travel and Eco-Tourism Section The Matter Network is a great resource for anyone wanting to keep up to date with green matters and sustainable living news. Their eco travel, transport and tourism section is particularly well stocked with articles and news.

Green Globetrotter Loads of good eco travel product reviews as well as information on a whole range of eco tourism related themes including: adventure travel, airlines, attractions, bed and breakfasts, book reviews, business travel, camping, carbon credits, cruises, destination reviews, eco lodges, eco resorts, ecotourism news, gift guides, golfing, green hotels, leed hotels, national parks, road trip ideas, spas, travel products, travel tips, travel websites and voluntourism.

Go Green Travel Green Great resource for eco-conscious travelers. Sections include: Green Travel 101, Green Recreation, Transportation, Volunteering and News.

Whole Living: Eco-Travel Guides Whole Living has a great section on eco-travel with articles, reviews, guides and suggestions for anyone planning a trip or vacation that doesn't literally cost the earth. Included are guides to help you find the eco spa, retreat or safari of your dreams.

Planet Green: Ecotourism Articles These articles cover a wide range of issues relating to ecotourism, outdoor sports and travel.

Green Travel Hub A site for eco-friendly travel news and information, Green Travel Hub also has a search facility that will enable you to book eco-friendly hotels in the States and around the world and also rent low emission and hybrid cars. The site also features a green travel blog and forum. Well worth checking out.

The Good Travel Company The Good Travel Company judge hotels around the world on three criteria: their environmental footprint, community connection and architectural conservation. They've selected a range of hotels which practice responsible tourism to suit all travellers and most budgets.