Anderson, Terry Lee. Political Environmentalism: Going Behind the Green Curtain. Hoover Press, 2000.
Bailey, Christopher J. Congress and Air Pollution: Environmental Policies in the USA. Manchester University Press ND, 1998.
Bean, Michael J., Melanie J. Rowland, Environmental Defense Fund, World Wildlife Fund (U.S.) The Evolution of National Wildlife Law. Greenwood Publishing Group, 1997.
Carson, Rachel. Silent Spring. Mariner Books; Anv edition, 2002.
Ehrlich, Paul R. The Population Bomb. A Sierra Club-Ballantine Book, 1 ed., 1970.
Godish, Thad. Air Quality. CRC Press, 2004.
Gottlieb, Robert. Forcing the Spring: The Transformation of the American Environmental Movement. Island Press, 2005.
Hawken, Paul. Blessed Unrest: How the Largest Movement in the World Came into Being, and Why No One Saw it Coming. Viking Press, 2007.
Kirk, Andrew G. Counterculture Green: The Whole Earth Catalog and American Environmentalism. University Press of Kansas, 2007.
Kirkwood, Ralph C., Anita J. Longley. Clean Technology and the Environment. Spring, 1995.
Kline, Benjamin. First Along the River: A Brief History of the U.S. Environmental Movement. Rowman & Littlefield, 2000.
Merchant, Carolyn. The Columbia Guide to American Environmental History. Columbia University Press, 2005.
Miller, Timothy. The 60s Communes: Hippies and Beyond. Syracuse University Press, 1999.
Nordhaus, Ted, and Michael Shellenberger. Break Through: From the Death of Environmentalism to the Politics of Possibility. Houghton Mifflin Harcourt, 2007.
Smith, Stephen, Hans B. Vos. Evaluating Economic Instruments for Environmental Policy. OECD Publishing, 1997.
Szasz, Andrew. Ecopopulism: Toxic Waste and the Movement for Environmental Justice. University of Minnesota Press, 1994.
Udall, Stewart. The Quiet Crisis. New York: Holt, Rinehart and Winston, 1963.
Kenney, Robyn. "Clear Air Act, United States." The Encyclopedia of Earth. http://www.eoearth.org/article/Clean_Air_Act,_United_States
Koff, Stephen. "Was Jimmy Carter Right?" Energy Bulletin, October 1, 2005. http://www.energybulletin.net/node/9657
Lents, James M. "Making Clean Air Programs Work." Environmental Science & Policy, Vol. 1, Issue 3, August 1998.
McCabe, Louis G. "The Identification of the Air Pollution Problem." http://whqlibdoc.who.int/monograph/WHO_MONO_46_(p39).pdf
"Rachel Carson's Silent Spring and the Beginning of the Environmental Movement in the United States."
Schultz, Mort. "That Pesky PCV." Popular Mechanics, Vol. 126, No. 3, September 1966.
Softky, Marion. "Pete McCloskey Wants Earth Day to Change the World - Again." The Almanac, April 16, 2003. http://www.almanacnews.com/morgue/2003/2003_04_16.pete.html
Stevens, William K. "Student Activists Turning from Campus to Society." New York Times, March 9, 1970. http://select.nytimes.com/gst/abstract.html?res=F10D14F9345C117688DDA00894DB405B808BF1D3
Timmerman, Kathryn. "Water Quality Act of 1965." http://whsapes.pbworks.com/f/Water+Quality+Act+of+1965.ppt
Wihby, John. "Jimmy Carter's Solar Panels: A Lost History that Haunts Today." The Yale Forum on Climate Change & The Media. November 11, 2008.
The Encyclopedia of Earth
Environmental Protection Agency
Federal Water Pollution Control Act
Intergovernmental Panel on Climate Change
National Oceanic and Atmospheric Administration
National Resources Defense Council
Resources for the Future
United States Fish and Wildlife Service
The Wilderness Society, "A Timeline of Wilderness History and Conservation."
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Before World War II, young Chinese Americans defied cultural tradition in San Francisco's Chinatown, previously closed to outsiders.
The most daring and innovative accomplishment at the turn of the 20th century.
Thoroughbred racehorse Seabiscuit was the long shot that captured America's heart during the Depression.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
French settlers in Louisiana merged with African Americans, Afro-Caribbeans and others to create Cajun and Zydeco musical traditions.
America's first great songwriter, Stephen Foster, wrote 200 songs but died a penniless alcoholic at 37.
High on a granite cliff in South Dakota's Black Hills tower the huge carved faces of four American presidents: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.