Natural Lands is a non-profit land conservation organization with headquarters in Media, Pennsylvania, dedicated to the management, protection, and conservation of eastern Pennsylvania and southern New Jersey's native forests, fields, steams, and wetlands. The organization owns and manages 44 nature preserves—totaling more than 23,000 acres—located in 13 counties in Pennsylvania and New Jersey. Eighteen of the preserves are open to the public for recreational use; the others have limited visitation due to the presence of sensitive ecosystems or limited facilities.
The Morton Arboretum
The Morton Arboretum, in Lisle, Illinois, is a public garden and outdoor museum with a library, herbarium, and program in tree research including the Center for Tree Science. Its grounds, covering 1,700 acres, include cataloged collections of trees and other living plants, gardens, and restored areas, among which is a restored tallgrass prairie. The living collections include more than 4,100 different plant species, which can be referenced in an online database. In all, there are more than 200,000 cataloged plants.
Environmental Defense Fund
New York, NY
Environmental Defense Fund or EDF is a United States–based nonprofit environmental advocacy group. The group is known for its work on issues including global warming, ecosystem restoration, oceans, and human health, and advocates using sound science, economics and law to find environmental solutions that work. It is nonpartisan, and its work often advocates market-based solutions to environmental problems.
Trustees of Reservations
The Trustees of Reservations is a non-profit land conservation and historic preservation organization dedicated to preserving natural and historical places in the Commonwealth of Massachusetts. It is the oldest regional land trust in the world and as of 2016 has 125,000 dues-paying members. In addition to land stewardship, the organization is also active in conservation partnerships, community supported agriculture, environmental and conservation education, community preservation and development, and green building. The Trustees of Reservations own title to 116 properties on in Massachusetts, all of which are open to the public; it maintains conservation restrictions on 200 more properties. Properties include historic mansions, estates, and gardens; woodland preserves; waterfalls; mountain peaks; wetlands and riverways; coastal bluffs, beaches, and barrier islands; farmland and CSA projects; and archaeological sites.
Open Space Institute
New York, NY
The Open Space Institute is a team of project leaders, researchers, land stewards, attorneys, accountants and office managers--all dedicated and creative professionals united in improving people’s lives and the world we live in through smart land conservation. Working together over the past 40 years, we have saved 2,213,283 acres of land through direct acquisition, grants and loans. But these statistics only tell part of the story. We prefer to describe our successes in terms of the impact we have. Our work has led to clean drinking water for millions; new and better parks for outdoor recreation; land that will endure in a changing climate; protected farms for greater access to local food; scores of local, active grass-root environmental groups; and preserved historic landscapes and vital habitats up and down the eastern seaboard.
Scenic Hudson preserves land and farms and creates parks that connect people with the inspirational power of the Hudson River, while fighting threats to the river and natural resources that are the foundation of the valley’s prosperity.
The Trust for Public Land
San Francisco, CA
The Trust for Public Land is a U.S. nonprofit organization with a mission to "create parks and protect land for people, ensuring healthy, livable communities for generations to come."
Ducks Unlimited is an American nonprofit organization 501 dedicated to the conservation of wetlands and associated upland habitats for waterfowl, other wildlife, and people. It has maintained a worldwide membership of about 700,000 since January 2013.
Maine Coast Heritage Trust
Maine Coast Heritage Trust was founded in 1970 to protect the very best of the Maine coast, and we’ve come a long way in the last 50 years, conserving more than 150,000 acres and creating more than 100 public preserves open to all. Today, we work out of four different offices and in all seven coastal counties to protect land, care for the land, connect you to the coast, and support other Maine land trusts.
San Francisco, CA
Earthjustice is a non-profit public interest organization based in the United States dedicated to litigating environmental issues. It is headquartered in San Francisco, has 14 regional offices across the United States, an International Program, a communications team, and a Policy & Legislation team in Washington, DC.