The Observatory of the nature is an association which works in the field of the education to the environment and to the sustainable development in the population center of Colmar. This house of the nature has for vocation to welcome all the public, to make sensitive them, educate them and form them, through adapted and innovative educational initiatives, in a coherent apprehension and in respectful behavior of the nature, the environment and the heritage. It also has for objective to propose the access to knowledge and to information useful for the persons avid to contribute, by the evolution of their behavioral choices in the realization of a sustainable development.