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NumbersUSA Education & Research Foundation provides a civil forum for Americans of all political and ethnic backgrounds to focus on a single issue, the numerical level of U.S. immigration. We educate opinion leaders, policymakers and the public on immigration legislation, policies and their consequences. We favor reductions in immigration numbers toward traditional levels that would allow present and future generations of Americans to enjoy a stabilizing U.S. population and a high degree of individual liberty, mobility, environmental quality, worker fairness and fiscal responsibility.

The organization was created to educate, organize and mobilize people to improve human conditions in every regard by inspiring and educating the public about the principles and values belonging to the Judeo- Christian American heritage which generally involves helping those in need

Our mission is to remove trash & graffiti from outdoor recreation & wilderness areas, revitalize natural areas through replanting projects, and enrich the lives of Military Veterans & other community members. We accomplish our mission by hosting volunteer cleanup events throughout the year for community members, including youth volunteers, and we manage & support a Dedicated Restoration Team with contracted Military Veterans who conduct restorations beyond the reach of most volunteers. Our veteran-based team conducts restorations beyond the reach of most volunteers, including areas with repeated abuse, areas spread across several miles, and remote areas. We have removed over 1 million pounds of trash, we have planted over 22,000 trees, and we have removed over 39,800 square feet of graffiti from rocks and boulders. From March 2015 to November 2017, we were fiscally sponsored by the Arizona Trail Association. We received our 501(c)(3) status in September 2017 and our fiscal sponsorship with the Arizona Trail Association ended in November 2017.

The Alliance for Water Efficiency is a stakeholder-based 501(c)(3) non-profit organization dedicated to the efficient and sustainable use of water. Headquartered in Chicago, the Alliance serves as a North American advocate for water efficient products and programs, and provides information and assistance on water conservation efforts.

VIDA is a non-profit organization providing dual service to both Latin America and Northern California by collecting surplus medical supplies and equipment from health institutions, diverting them from landfills, and shipping them to Latin American hospitals and clinics that rely on such donations for the provision of basic health care.

Seventh Generation Advisors puts into modern practice the ancient Native American philosophy that the decisions we make today should result in a sustainable world seven generations into the future. Ensuring that decisions being made about our energy, water, and natural resources are sustainable is central to this belief and to our mission.

Established in 1961, the Ruffed Grouse Society is North America’s foremost conservation organization dedicated to preserving our sporting traditions by creating healthy forest habitat for ruffed grouse, American woodcock and other wildlife. RGS works with landowners and government agencies to develop critical habitat utilizing scientific management practices.

The American Battlefield Trust preserves America’s hallowed battlegrounds and educates the public about what happened there and why it matters. As the nation's leading heritage land preservation organization, we have saved more than 57,000 acres of battlefield land in 24 states to date — thanks to the support of our members & partners.

Taliesin is acknowledged as the embodiment of American architect Frank Lloyd Wright's commitment to the creation of exceptional environments that harmonize architecture, art, culture, and the land. As stewards, Taliesin Preservation's dual mission is to preserve the cultural, built and natural environments that comprise the Taliesin property and to conduct public educational and cultural programming that provides a greater understanding of Frank Lloyd Wright's architecture and ideas.

Our goal is to bring tree equity to communities that lack natural tree canopy by establishing tiny native forests in and around the Chicago metropolitan area.​We use the Miyawaki method of tree planting to bring the benefits of forests to more communities. Our goal is to improve tree equity as defined by American Forests.​Everyone deserves trees and the health, climate and social benefits they provide.

The Garden Conservancy saves and shares outstanding American gardens for the education and inspiration of the public.The Garden Conservancy works to: • Preserve gardens by partnering with gardeners, communities, horticulturists, garden designers, and historians • Share distinctive gardens and ideas with the public through Open Days and other educational programs • Champion the vital role gardens play in our culture, our history, and our quality of life

Great Old Broads for Wilderness is a national organization that engages and ignites the activism of elders to preserve and protect wilderness and wild lands. Conceived by older women who love wilderness, Broads gives voice to the millions of older Americans who want to protect their public lands as wilderness for this and future generations. We bring knowledge, commitment, and humor to the movement to protect our last wild places on earth.