Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 715. Chapters: American environmentalists, Environmental organizations based in the United States, Green Party (United States), Steven Seagal, Environmental movement in the United States, Leonardo DiCaprio, Abbie Hoffman, Rachel Carson, Joan Baez, Henry David Thoreau, Robert Redford, Ralph Nader, Sigourney Weaver, Ted Turner, Science & Environmental Policy Project, Captain Beefheart, John Denver, Pete Seeger, Worldwatch Institute, Judi Bari, Survivors of the Valdez Oil Spill, Gary Snyder, John Stauber, Winona LaDuke, Murray Bookchin, Ira Einhorn, Natural Resources Defense Council, National Arbor Day Foundation, List of nature centers in the United States, Dennis Kucinich, Anti-nuclear movement in the United States, Hilda Solis, Carol Browner, Joel Kovel, Earth Liberation Front, Marjory Stoneman Douglas, Pierce Brosnan, Joseph J. Romm, David Helvarg, WAAKE-UP , Environmental activism of Al Gore, Anti-nuclear protests in the United States, Tom Paxton, Loren Eiseley, Wendell Berry, Paul R. Ehrlich, History of the Green Party, Hayden Panettiere, Robert Castelli, Rainforest Alliance, Gifford Pinchot, Henry Paulson, Madison Grant, Stetson Kennedy, Lester R. Brown, Edward Abbey, Robert F. Kennedy, Jr., Michael Tobias, Kiki Carter, Thom Hartmann, Stewart Brand, Celia M. Hunter, The Nature Conservancy, Daniel Lorenz Johnson, The Wildlife Society, Kafi Benz, Josh Hartnett, Daryl Hannah, Alex Steffen, Ed Begley, Jr., Earth First , Lewis Mumford, Julia Butterfly Hill, Wallace Stegner, Ross Mirkarimi, Amory Lovins, Alfred Webre, David Brower, Friends of Seagate Inc., Timothy Treadwell, Edmund Muskie, Rex Weyler, Aldo Leopold, National Wildlife Federation, Summer Rayne Oakes, Rod Coronado, Joshua's Tract Conservation and Historic Trust, Environmental Working Group, Environmental Defense Fund, Adras LaBorde, Brad Will, John Holdren, Barbara Pyl...