Aldo Leopold

Aldo Leopold examines the various ways that people alter the natural landscape in this poetic reflection on America’s wildlands. He also first describes the vast phenomena now known as “trophic cascades.”

Seventy-five years have passed since the creation of a new canon. Visionary thinkers worldwide have spoken out in defense of the planet and to confirm our role as the driving force behind its restoration as a result of humans’ irreversible alteration of life on Earth. Their sayings have stood the test of time and evolved into movement classics. These texts illuminate the depth of environmental thought and point the path toward a more just, rational, and environmentally friendly society.