Spreading the eco-challenges through the graphic design contests

In the wide panorama of social and environmental communication the graphic design contests plays an important role, especially for the experimentations in techniques and languages. This paper aims to give a global overview of this kind of contest that find their large diffusion in the last ten years and then analyze their results in order to define some common guidelines. The conclusion is a very fragmented situation with a high component of innovation and an increasing quality of languages used for the social and environmental communication.