The troposphere is the portion of the Earth's atmosphere that extends from the surface of the Earth to a height of about 3.7 miles (6 km) at the North Pole or the South Pole and 11.2 miles (18 km) at the equator.
A correctional facility is the building that many criminal justice systems use to detain offenders. These facilities may hold accused people prior to trial, convicted criminals, juvenile offenders, and other types of individuals.
Description of the Intervention. Located at the R.J. Donovan Correctional Facility in San Diego, the Amity Prison Therapeutic Community is a separate in-prison housing unit for male inmates with drug problems who are 9 to 12 months from being released, and who volunteer to participate in the program.