A mass tort is a civil action involving numerous plaintiffs against one or a few corporate defendants. The tort may involve, for example, personal injuries suffered by numerous plaintiffs as a result of a defective product, or a mass disaster in which there were many injured persons, such as an airplane crash, or exposure of a large group of people to toxic chemicals or pharmaceuticals.
Greenbelt is a city in Prince George's County, Maryland, United States. Contained within today's City of Greenbelt is the historic, planned community now known locally as "Old Greenbelt" and designated as the Greenbelt Historic District. Greenbelt's population was 21,456 at the 2000 census.