Energy balance on Earth (Pierluigi Leone)

Which is the actual physical mechanism that regulates the earth’s surface temperature? In order to understand this point, we need first to look at where the energy on Earth comes from. We have energy stocks, often stored underground, in the form of chemical and internal energy of materials. Fossil energy sources are an example of […]

Global energy stocks and flows – Part I (Pierluigi Leone)

The human appropriation of natural resources is a major concern of our society. We will review the enormous stock of energy resources that is stored in our planet and the rate at which they are replineshed. The earth receives a continuous flow of energy as solar radiation. The Sun is indeed the prime mover of […]