The document lists and summarizes the missions of 15 top climate change nonprofits as recommended by climate change experts. The nonprofits work on issues like protecting the environment, advocating for climate policies and legislation, educating the public about climate change, promoting renewable energy and sustainability, and finding solutions to address global warming. Their goals generally include conservation of nature and natural resources, transitioning to a green economy, and safeguarding the environment for future generations.

1. recommended by 139 Climate Change experts 15 Top National Climate Change Nonprofits at

2. #1 Natural Resources Defense Council The Natural Resources Defense Council's purpose is to safeguard the Earth. They work to restore the integrity of the elements that sustain life and to defend endangered natural places. They seek to establish sustainability and good stewardship of the Earth as central ethical imperatives of human society. NRDC affirms the integral place of human beings in the environment. They strive to protect nature in ways that advance the long-term welfare of present and future generations.

3. #2 Union of Concerned Scientists The Union of Concerned Scientists is a nonprofit partnership of scientists and citizens combining rigorous scientific analysis, innovative policy development, and effective citizen advocacy to achieve practical environmental solutions. We seek to ensure that all people have clean air, energy, and transportation, as well as food that is produced in a safe and sustainable manner.

4. #3 World Resources Institute The World Resources Institute'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

5. #4 Pew Center on Global Climate Change The Pew Center on Global Climate Change's mission is to provide credible information, straight answers, and innovative solutions that address global climate change. The Pew Center provides a forum for objective research and analysis and for the development of pragmatic policies and solutions. Now in its 10th year, the Pew Center has become a leading voice for sensible action to address the most pressing global environmental problem of the 21st century.

6. #5 Environmental Defense Fund Environmental Defense Fund is dedicated to protecting the environmental rights of all people, including future generations. Since 1967, they have linked science, economics and law to create innovative, equitable and cost-effective solutions to society's most urgent environmental problems. Guided by science, EDF evaluates environmental problems and works to create and advocate solutions that win lasting political, economic and social support because they are nonpartisan, cost-efficient and fair.

7. #6 Sierra Club The Sierra Club's mission is to explore, enjoy, and protect the wild places of the earth; To practice and promote the responsible use of the earth's ecosystems and resources; To educate and enlist humanity to protect and restore the quality of the natural and human environment; and to use all lawful means to carry out these objectives.

8. #7 National Wildlife Federation National Wildlife Federation inspires Americans to protect wildlife for our children's future.

9. #8 World Wildlife Fund The World Wildlife Fund's mission is the conservation of nature. Using the best available scientific knowledge, they work to preserve the diversity and abundance of life on Earth and the health of ecological systems by protecting natural areas and wild populations of plants and animals; promoting sustainable approaches to the use of renewable natural resources; and promoting more efficient use of resources and energy and the maximum reduction of pollution.

10. #9 Nature Conservancy 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.

11. #10 League of Conservation Voters The League of Conservation Voters' mission is to advocate for sound environmental policies and to elect pro-environmental candidates who will adopt and implement such policies.

12. #11 Alliance for Climate Protection The Alliance for Climate Protection's mission is to persuade the American people of the importance and urgency of implementing effective solutions for the climate crisis. The Alliance is undertaking an unprecedented mass persuasion exercise based on scientific facts. Through a new combination of non–partisan alliances and innovative communication techniques the Alliance will present the facts and solutions about climate change to the public in an accurate and compelling manner.

13. #12 ICLEI-Local Governments For Sustainability ICLEI is an international membership association of local governments dedicated to climate protection and sustainable development.

14. #13 Energy Action Coalition The Energy Action Coalition unites a diversity of organizations in an alliance that supports and strengthens the student and youth clean energy movement in North America. The partners of Energy Action work together to leverage collective power and create change for a clean, efficient, just and renewable energy future. The work of Energy Action is focused on four strategic areas: campuses, communities, corporate practices, and politics.

15. #14 Greenpeace Greenpeace's mission is to expose global environmental problems, ensure that the Earth is able to nurture life in all its diversity and promote solutions for future generations. Greenpeace, Inc. is the leading independent campaigning organization that uses peaceful direct action and creative communication to expose global environmental problems and to promote solutions that are essential to a green and peaceful future.

16. #15 1Sky 1Sky's goal is to build a diverse, society-wide mobilization that will convince the US federal government to take bold action by 2010. To identify the steps that US leaders need to take in order to shift the US away from global warming and towards the prosperity of a green economy. They have engaged a network of leading scientists and economists to create the 1Sky Solutions.

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