Aldo Leopold Quotes
...to any one for whom wild things are something more than a pleasant diversion, (conservation) constitutes one of the milestones in moral evolution.
Citations
Leopold, Aldo. A Sand County Almanac, and Sketches Here and There. Oxford University Press, 1949, p. vii.
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Aldo Leopold was an American author, philosopher, naturalist, scientist, ecologist, forester, conservationist, and environmentalist. He was a professor at the University of Wisconsin and is best known for his book A Sand County Almanac (1949), which has sold more than two million copies.