To introduce the concept of sustainable energy and the interaction between cost competitiveness, security of supply and environmental responsibility. To make students aware of the link between energy and the environment, with a particular focus on climate change. To provide students with the basic tools to assess energy trends and their policy implications. Introduce the topics of energy policy and economics. Introduce renewable energy sources and technologies. Module Content: Definition of sustainable energy. Global and regional energy trends in terms of fuel supply and sectoral consumption. Electrical, transport and thermal energy consumption. Energy end use. Pillars of sustainable energy policy. Environmental impacts of energy. Climate Change. Transboundary gas emissions. Security of energy supply. Cost competitiveness. Policy instruments. Energy efficiency indicators. Socio-economic assessment of energy supply systems. Renewable energy market development. Fuel cells and the hydrogen economy.