Nowadays, two of the main important energy systems are those related to coal and natural gas. The aim of this lesson is to provide students with insights on these issues.
Through a general overview, prof O’Sullivan tackles this topic focusing on the origin of these energy sources and answering simple questions such as, how much gas and coal is left and how much energy we derived from them. He also briefly analyses their use and consumption in the world. Finally, the lesson highlights important differences and crucial aspects related to the industrial sector.