Technology transfer between academia and industry has for long been an important factor for the development of our society. Different organisations mean also different priorities, different points of view and difficulties in working together. Having the same definitions, getting to know the different players, their aims will support the technology and knowledge transfer in order to develop new Green IT technologies. After analyzing the various positions of the different possible participants in proj ects, their different aims but also their common points, this article analyses how to build bridges for a common understanding of innovative projects in the field of Green IT and proposes a start of modelling the relationships with MultiAgentSystems.