books.google.co.nz - Humans have changed ecosystems more rapidly and extensively in the last 50 years than in any comparable period of human history. We have done this to meet the growing demands for food, fresh water, timber, fiber, and fuel. While changes to ecosystems have enhanced the well-being of billions of people,...http://books.google.co.nz/books/about/Ecosystems_and_Human_Well_Being.html?id=UFVmiSAr-okC&q=developing+countries&utm_source=gb-gplus-shareEcosystems and Human Well-Being
