Parameter Tree:
EARTH SCIENCE > HUMAN DIMENSIONS > ENVIRONMENTAL IMPACTS > FOSSIL FUEL BURNING

Definition:
Fossil fuel burning refers to the burning of any one of the organic fuels (coal, natural gas, oil, tar sands, and oil shale) derived from once living plants or animals.

Reference:
Chiras, Daniel D. 1998. Environmental Science. A Systems Approach to Sustainable Development. Wadsworth Publishing Company. Belmont, California.