(noun) The surroundings of, and influences on, a particular item of interest.
"Happiness does not depend on the external environment it always depends on the internal environment."
"What is the use of a house if you haven't got a tolerable planet to put it on?"
"Thank God men cannot fly, and lay waste the sky as well as the earth."
"If people in general could be got into the woods, even for once, to hear the trees speak for themselves, all difficulties in the way of forest preservation would vanish."