environmental

Concise Oxford English Dictionary © 2008 Oxford University Press:
environment/ɪnˈvʌɪrənmənt/

▶noun

• 1 the surroundings or conditions in which a person, animal, or plant lives or operates.

  ■ Computing the overall structure within which a user, computer, or program operates.

• 2 (the environment) the natural world, especially as affected by human activity.

– derivatives
environmental adjective,
environmentally adverb.