What is the summary of: The words environment and ecology are often mistaken to mean the same thing. They are, however, two different concepts. Environment, sometimes called Nature, refers to the surroundings of people on earth. On the other hand, ecology refers to the interrelationships of relationships of humans, non-humans, and other things in the universe, not only on earth. -Cheryll Glotfelty, The Ecocriticism Reader: Landmarks in Literary Ecology (1996)