American Environmental Organizations

American Academy of Environmental Engineers - dedicated to improving the practice, elevating the standards and advancing the cause of environmental engineering.
American Forests - helps people improve the environment with trees and forests 
American Rivers - a national conservation organization dedicated to protecting and restoring America's river systems. 
Animal Welfare Institute - a non-profit charitable organization founded to reduce the sum total of pain and fear inflicted on animals by humans. 
Conservation Fund - seeks innovative long-term measures to conserve land and water. 
Climate Institute - was founded to protect the balance between climate and life on earth. 
Earth Share - 18 national environmental and conservation groups that saw the importance of forming America's first national environmental federation. 
Environmental Defense Fund - a not-for-profit environmental advocacy group with main goals of : stabilizing the Earth's climate, safeguarding the oceans, protecting human health, and defending and restoring biodiversity. 
Environmental Law Institute - advances environmental protection by improving law, policy, and management. 
Environmental Technology Council - trade association of commercial environmental firms that recycle, treat and dispose of industrial and hazardous wastes. 
Global Climate Coalition - an organization of business trade associations and private companies established to coordinate business participation in the scientific and policy debate on the global climate change issue. 
Hazardous Materials Advisory Council - the premier international, non-profit educational association devoted to promoting regulatory compliance and safety in the transportation of hazardous  materials/dangerous goods, substances and wastes. 
National Audubon Society - the mission of the society is to conserve and restore natural ecosystems, focusing on birds and other wildlife. 
National Park Foundation - created by the U.S. Congress, is the official nonprofit partner of the National Park Service. 
National Wildlife Federation - the American largest member -supported conservation group, uniting individuals, organizations, businesses and government to protect wildlife, wild places, and the environment. 
Natural Resources Defense Council - works to restore the integrity of the elements that sustain life -- air, land, and water -- and to defend endangered natural places. 
National Water Resources Association - a nonprofit federation of state organizations concerned with the appropriate management, conservation, and use of water and land resources on a national scope. 
Nature Conservancy - established to preserve plants, animals and natural communities that represent the diversity of life on Earth by protecting the lands and waters they need to survive. 
Resources for the Future - a nonprofit and nonpartisan think tank that conducts independent research on environmental and natural resource issues. 
Sierra Club - created to explore enjoy, and protect the wild places of the earth. 
Solid Waste Management Association - advances the practice of economically and environmentally sound solid waste management in North America. 
Water Environment Federation - a not-for-profit technical and educational  organization established to preserve and enhance the global water environment. 
Wilderness Society - works to protect Americas wilderness to ensure that future generations will have clean air and water and enjoy the natural beauty of the earth. 
Wildlife Management Institute - a private, nonprofit, scientific and educational organization committed to the conservation, enhancement and professional management of North America's wildlife.