The new IT governance practices have emerged to adopt a responsible attitude within the company to question its mode of operation, its mode of consumption and its relationship with every IT service. The objective of our research is to ensure that the functions of the company should follow the criteria of coherence and of consonance, in order to develop a corporate culture oriented toward the restoration of the environment, green IT. Knowing how to make information and communication technologies as a catalyst for sustainable development and deploying a specific green framework to the company by using the powers of the artificial intelligence are the aim of our proposed approach. According to the four ecological aspects, the proposed approach, firstly it diagnoses the maturity of the company by grouping the existing processes and the IT needs processes. Secondly it unifies all the processes by using a prototype process. Finally, it evaluates the company’s processes by using a suite of performance indicators then it lists a set of the best ecological recommendations.