All 3 Uses

environment
in
A Long Way Gone
(Auto-generated)

I walked up and down on the verandah, restless in my new environment.
p. 137.9 *

environment = surrounding conditions
It hadn't crossed their minds that a change of environment wouldn't immediately make us normal boys; we were dangerous, and brainwashed to kill.†
p. 135.1
Because of these things, we were basically left to wander aimlessly about our new environment for the entire first week.†
p. 139.1

Definitions:

(1) (environment as in: the environmental movement)
the natural world (life, air, water, land...) -- often used in reference to the impact of human technology
(2) (environment as in: her family environment)
surrounding conditions
in various senses, including:
- conditions in a location or geographic area -- as in "the desert environment"
- conditions that affect a particular activity -- as in "the learning environment"
- conditions that create a certain mood -- as in "a competitive environment," or "a romantic environment,"
- conditions that impact a particular computer system, subsystem, or program -- as in "the Windows environment"
(3) (meaning too rare to warrant focus)