Terminology Services

Greenhouse Gas Emissions & Sinks Glossary

Long Name:

Inventory of U.S. Greenhouse Gas Emissions and Sinks: Glossary

Description:

Glossary of terms from the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990 - 2002 Report (EPA 430-R-04-003).

Publishing Organization:

Office of Air and Radiation

Last Update:

April 15, 2004

Program Site:

Search Terms (Contains): source

	Term
	Non-point source	Definition: Large land area such as crop fields and urban areas that discharge pollutant into surface and underground water over a large area. See point source.
	Point source	Definition: A single identifiable source that discharges pollutants into the environment. Examples are smokestack, sewer, ditch, or pipe. See non-point source.
	Source	Definition: Any process or activity that releases a greenhouse gas, an aerosol, or a precursor of a greenhouse gas into the atmosphere.

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