Nature Conservancy, nonprofit organization established in 1951 to preserve or aid in the preservation of natural environments. It protects wilderness areas in the United States and Canada and is affiliated with similar groups in Latin America and the Caribbean. It maintains the world's largest private system of nature sanctuaries.
"Nature Conservancy." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (January 17, 2019). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/nature-conservancy
"Nature Conservancy." The Columbia Encyclopedia, 6th ed.. . Retrieved January 17, 2019 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/nature-conservancy