There are a lof of great websites all around the world for all kinds of travel and tourism. These are some of them:

United Nations - Sustainable Development

The website of UN Departement of economic and social affairs offers a lot of documents and information round about Sustainable Tourism.
UN Division for Sustainable Development …

"So much world" - tavel guides

somuchworld.com is about to create a great travel website. Talented and professional writers produce high-quality content and travel guides for destinations all over the world. You can share your tips and travel stories with an international community. You’ll find all information about France and about what you need to know for planning your trip at the

France travel guide of so much world …