- A general term for combustible geologic deposits of carbon in reduced (organic) form and of biological origin, including coal, oil, natural gas, oil shales, and tar sands. A major concern is that they emit carbon dioxide into the atmosphere when burnt, thus significantly contributing to the enhanced greenhouse effect.     (Source: Office of Policy: Global Warming: Glossary Term Detail)
- A substance found beneath the Earth's surface that can be used as a source of energy. Petroleum (which is often used to make plastic), natural gas, and coal are fossil fuels.     (Source: Office of Solid Waste: Glossary! Term Detail)
Please note file creation may take a few moments. Users of Microsoft Internet Explorer Version 3 and all versions of AOL's browser prior to 5.0 are unable to use the download capability. Please contact us specifying your download request and options, and we will e-mail you the file.