1st French book house specialized in sustainable tourism. The guidebooks they publish suggest practical and original solutions for people who want to travel differently (look for Tao guides or The Natural Guide).
To know more about them: www.viatao.com
French organization that aims to inform travelers about the principles of responsible tourism all over the world (i.e. ecologic, sustainable and social projects).
To know more about them: www.echoway.org
3A International Business School for Trade and Development (Lyon, France)
To know more about them: www.ecole3a.edu