"Greenpeace is the leading independent campaigning organization that uses peaceful protest and creative communication to expose global environmental problems and to promote solutions that are essential to a green and peaceful future."

"Building upon a strong foundation of science, partnership and field demonstration, CI empowers societies to responsibly and sustainably care for nature, our global biodiversity, for the well-being of humanity."

"LCV works to turn environmental values into national, state and local priorities. LCV, in collaboration with our state LCV partners, advocates for sound environmental laws and policies, holds elected officials accountable for their votes and actions, and elects pro-environment candidates who will champion our priority issues."

"Audubon's mission is to conserve and restore natural ecosystems, focusing on birds, other wildlife, and their habitats for the benefit of humanity and the earth's biological diversity."

"NRDC is the nation's most effective environmental action group, combining the grassroots power of 1.3 million members and online activists with the courtroom clout and expertise of more than 350 lawyers, scientists and other professionals."

"The National Wildlife Federation is America's largest conservation organization. We work with more than 4 million members, partners and supporters in communities across the country to protect and restore wildlife habitat, confront global warming and connect with nature."

"The Mission of the Nature Conservancy is to preserve the plants, animals, and natural communities that represent the diversity of life on earth by protecting the lands and waters they need to survive."

"Since 1892, the Sierra Club has been working to protect communities, wild places, and the planet itself. We are the oldest, largest, and most influential grassroots environmental organization in the United States."

"To provide leadership and encourage partnership in caring for the environment by inspiring, informing, and enabling nations and peoples to improve their quality of life without compromising that of future generations."

"WRI’s mission is to move human society to live in ways that protect Earth’s environment and its capacity to provide for the needs and aspirations of current and future generations."

"For more than 45 years, WWF has been protecting the future of nature. The world’s leading conservation organization, WWF works in 100 countries and is supported by 1.2 million members in the United States and close to 5 million globally. WWF's unique way of working combines global reach with a foundation in science, involves action at every level from local to global, and ensures the delivery of innovative solutions that meet the needs of both people and nature."

"The Environmental Protection Agency is an independent executive agency of the United States federal government tasked with environmental protection matters."

Manages the country's natural resources, including the national parks.

Includes Washington, Oregon, Idaho, Alaska and 271 native tribes.