Sierra Club 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.
World Wildlife Fund is the conservation of natural spaces and the diversity of species. Using the best available scientific knowledge, and advancing that knowledge where we can, we work to preserve the abundance of life on Earth. WWF protects natural areas and wild populations of plants and animals, including endangered species. WWF promotes sustainable approaches to the use of renewable natural resources. WWF embraces more efficient use of resources and energy and the maximum reduction of pollution. World Wildlife Fund is committed to reversing the degradation of our planet's natural environment and to building a future in which human needs are met in harmony with nature. We recognize the critical relevance of human numbers, poverty, and consumption patterns to meeting these goals. We sincerely appreciate your support and interest in environmental conservation.
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.