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"This corporation is established exclusively for charitable objectives to receive and maintain funds and apply such funds for the improvement of and activities in the Palisades Interstate Park, New York and New Jersey, in cooperation with the Palisades Interstate Park Commission, and for the purposes of promoting and expanding the preservation of natural, historical and cultural resources in the Park for the benefit of the public."

The mission of Rock Creek Conservancy is to restore Rock Creek and its parklands as a natural oasis for all people to appreciate and protect.

Their mission is to support conservation in the Lake Erie marshes by increasing the awareness and capability of Ohio's only national wildlife refuge complex.

Protect the Northfield watershed.

The Neponset River Watershed Association is a grassroots, member-supported conservation group working since 1967 to clean up and protect the Neponset River, its tributaries and surrounding watershed lands.

Marine Park Alliance assists NYC Parks in its largest Brooklyn property with a mission to provide cultural, environmental and volunteer programming in Marine Park for the health and well-being of all New Yorkers. To carry out this mission the group envisions elevating this regional park as a South Brooklyn cultural gem – horticulturally, programmatically, and ecologically – free to the public.

Guided by the values and expertise of medicine and public health, Physicians for Social Responsibility works to protect human life from the gravest threats to health and survival: nuclear weapons, climate change, toxics in the environment.

It is the purpose of the Nature Center to foster an appreciation for nature and to promote a sustainable future by nurturing individuals through environmental education, providing leadership in land protection and restoration, and encouraging responsible interaction with nature.

Second Chance Wildlife Rescue Association is dedicated to preserving and protecting native Ohio wildlife through education, rehabilitation, and conservation.

GrowNYC (formerly Council on the Environment of NYC) is a hands-on non-profit which improves New York City’s quality of life through environmental programs that transform communities block by block and empower all New Yorkers to secure a clean and healthy environment for future generations.

The Hastings Center addresses social and ethical issues in health care, science, and technology. Through our projects and publications, The Hastings Center shapes ideas that influence key opinion leaders, including health policy-makers, regulators, health care professionals, lawyers, legislators, and judges. Our analyses also influence professional practice: from end-of-life care to psychiatric practice to immigrant health care, we have helped to shape the standards of practice adopted by physicians, nurses, and lawyers. Founded in 1969 by philosopher Daniel Callahan and psychoanalyst Willard Gaylin, The Hastings Center is the oldest independent, nonpartisan, interdisciplinary research institute of its kind in the world.

Barnstable Land Trust is a non-profit, member-supported conservation and land preservation organization. We acquire open space to protect the natural resources of the Town of Barnstable. BLT holds wildlife habitat, scenic views, wetlands, woodlands, sensitive watershed parcels, forest and other valuable open space in its natural state for the benefit of the community. Founded in 1983, BLT provides a private alternative for land preservation. As of May 2017, BLT has completed 156 land-saving initiatives and preserved 1,082 acres.