Starting with the link between energy production and consumption and wealth creation and development, the class will address the issues of pollutions and climate change linked to the current energy and production system. It will discuss the possible scenarios (in terms of climate change) that motivate the switch toward low(er) carbon footprint energy production. The different technologies for low carbon and/or renewable energy production will then be reviewed in terms of potential, costs, carbon footprint and ease of deployment (nuclear, solar, hydro power, wind turbines, geothermal etc..). In particular, the need for energy storage linked to the use of intermittent sources will be discussed as well as the possibilities and challenges of storing energy at different timescale (seconds, days, week to seasons) will be discussed. The aim is to give an overview of what is currently done and what are the perspectives in terms of energy production and storage (including electrochemical energy storage). The class will consist in online lectures and the students will be asked to present a project on some specific topics related of the class (based on suggestion or agreed in advance) under the form of a written report.