Overview of Climate Change Science

Dr. Art DeGaetano, Cornell University
Also available to download: Climate Change Fact Sheet (PDF, 359 KB)

Earth’s climate system

The Earth’s climate system is composed of a number of interacting components. The main driver is the sun whose energy is by far the main source of heat for Earth. The sun does not heat the Earth’s atmosphere directly but rather its energy passes through the atmosphere and heats the surface of Earth.…