MODULE 5 THINK GREEN Unit 5.1 • Fuels Renewable and non-renewable energy sources Fossil fuels Petroleum and its derivatives Biofuels Syngas Unit 5.2 • Energy sources Types of energy From energy to electricity Thermoelectric power plants Nuclear power plants Hydroelectric power plants Solar power plant Wind power Other forms of renewable energy production Unit 5.3 • A green world Ecology Pollution Air pollution Water pollution