Over the past 75 years, a new canon has emerged. As humans have driven the living planet to the brink of collapse, visionary thinkers around the world have raised their voices to defend it. Their words have endured, becoming the classics that define the environmental movement today. This book brings together some of his most profound and significant writings on the rich diversity of life on Earth, our place in it, and our obligation to conserve the planet's fragile ecosystems.