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American Farmland Trust
Founded in 1980 by a group of farmers and conservationists concerned about the rapid loss of the nation's farmland to development, American Farmland Trust (AFT) is a nonprofit membership organization dedicated to protecting our nation's strategic agricultural resources.
Audubon's mission is to conserve and restore natural ecosystems, focusing on birds, other wildlife, and their habitats for the benefit of humanity and the earth's biological diversity.
BCIN, the Bibliographic Database of the Conservation Information Network, is the Web's most complete bibliographic resource for the conservation, preservation and restoration of cultural property.
Heritage Law Bibliography:
An international bibliography for legal issues in cultural and natural heritage.
i-Tree : Tools for Assessing and Managing Community Forests
i-Tree is a state-of-the-art, peer-reviewed software suite from the USDA Forest Service that provides urban forestry analysis and benefits assessment tools. The i-Tree Tools help communities of all sizes to strengthen their urban forest management and advocacy efforts by quantifying the structure of community trees and the environmental services that trees provide.
National Parks Conservation Association
To protect and enhance America's National Parks for present and future generations.
Natural Resources Conservation Service (NRCS) Soils
Soils is part of the National Cooperative Soil Survey, an effort of Federal and State agencies, universities, and professional societies to deliver science-based soil information.
Since 1951, The Nature Conservancy has been using science and partnerships to protect Earth's most important natural places — for you and future generations.
North American Plant Protection Organization (NAPPO)
NAPPO, a Regional Plant Protection Organization of the International Plant Protection Convention, coordinates the efforts among Canada, the United States and Mexico to protect their plant resources from the entry, establishment and spread of regulated plant pests, while facilitating intra/ interregional trade.
Plant Conservation Alliance
The PCA is a consortium of ten federal government Member agencies and over 270 non-federal Cooperators representing various disciplines within the conservation field who work collectively to solve the problems of native plant extinction and native habitat restoration, ensuring the preservation of our ecosystem.
The Trust for Public Land
The Trust for Public Land conserves land for people to enjoy as parks, gardens, and other natural places, ensuring livable communities for generations to come.
The Trustees of Reservations
"The Trustees of Reservations preserves, for public use and enjoyment, properties of exceptional scenic, historic, and ecological value in Massachusetts."