1.) The World Is Flat 3.0: A Brief History of the Twenty-first Century
2.) Ill Nature: Rants and Reflections on Humanity and Other Animals
3.) Break Through: Why We Can't Leave Saving the Planet to Environmentalists
4.) Wanderlust: A History of Walking
5.) The Song of the Earth
6.) Red Sky at Morning: America and the Crisis of the Global Environment
7.) The White Man's Burden: Why the West's Efforts to Aid the Rest Have Done So Much Ill and So Little Good
8.) Worldchanging: A User's Guide for the 21st Century
9.) A New Theory for American Poetry: Democracy, the Environment, and the Future of Imagination
10.) Eye of the Albatross: Views of the Endangered Sea
What were YOUR favorite "green" books of the decade?