Explores how the natural world works, outlines the consequences of its unraveling by our activities, and offers practical solutions-with a description of societal and economic benefits. The first ten chapters of this book are a step-by-step crash course in ecology-you might call it "ecology for people in a hurry": what species do, how they co-exist, and how the natural world self-assembles and works, compared to our human-built environment-with ideas...