There are hidden contradictions in the minds of people who "love Nature" while deploring the "artificialities" with which "Man has spoiled Nature.'" The obvious contradiction lies in their choice of words, which imply that Man and his artifacts are not part of "Nature" : but beavers and their dams are.
Robert A. HeinleinCorrect morality can only be derived from what man is — not from what do-gooders and well-meaning aunt Nellies would like him to be.
Robert A. HeinleinThe Stone trembled and threw herself outward bound, toward Saturn. In her train followed hundreds and thousands and hundreds of thousands of thousands of restless, rolling Stones . . . to Saturn . . . to Uranus, to Pluto . . . rolling on out to the stars . . . outward bound to the ends of the Universe.
Robert A. Heinlein