The “Energy and Environmental Engineer-Economist” course trains senior executives in the field of energy and environmental management. It prepares for a multidisciplinary career, at the interface between economics tuition, engineers and ecologists. It delivers solid and operational skills in economics, focused on decision support, environmental assessment and microeconomic modeling, applied to energy transition, climate change, pollution and pollution. biodiversity. The training encompasses the basic skills and techniques specific to each field of application, to make the student an effective interlocutor within the framework of a multidisciplinary collaboration. The training is mainly aimed at economists, engineers and ecologists Skills to acquire: • Master the methodology of producing data and indicators and be able to interpret statistical and econometric results • Be autonomous at work • Write working documents (reports, summary notes, etc.) adapted to the people and situations encountered and appropriate to the organizations and structures concerned • Possess and be able to develop a broad general culture in economics and development economics • Be able to problematize an economic questionand write a report respecting editorial standards, ethics and sources Research Each Master 2 course offers students the opportunity to choose to follow a "research module" and write a dissertation, in order to orient themselves towards research professions and to consider doctoral studies. Greta - UMR CNRS 5113 research seminars are included in the "research module" of all Master 2 courses. Semester 4 research papers are directed by Greta - UMR CNRS 5113 teacher-researchers and they focus on the research axes of the latter. International Erasmus Mundus: Master 1 students are eligible for this scheme Internship abroad or mobility semester: Compulsory internship for the majority of M2 students, carried out abroad for students of the courses "Economist-statistician of development and population", "Design and engineering of development projects "and" Environmental impact studies ". Another Internationalization Device: (I)Possibility of choosing the "Environmental Impact Study" course in which all the courses of semesters 3 and 4 (Master 2) take place in Madagascar in co-diploma with the University of Antananarivo (ii) Possibility of carrying out semester 4 of the course "Economist-statistician of development and populations" in Greece in co-diploma with the University of Thessaly.