(America) Aldo Leppold 
Sand County Almanac 

A Sand County Almanac written by Aldo Leopold, American famous ecologists and pioneer of environmental protectionism and known as "the founder of the American new environmental theory", "the father of ecological ethics" has become the classic of the ecological environment protection. Chasing the footprints of animals in snowmelt, reading the history of oak rings, and listening to the movement of wild geese……In this work, Aldo Leopold describes what he has seen and heard when he was living in a simple cottage far away from modern life and traveling throughout the mainland of United States. In the process, he also continued to think about the relationship between mankind and the earth upon which they lived and tried to re-awaken the love and respect that nature deserves.