Founded in 1951, The Nature Conservancy is one of the leading conservation organizations worldwide. The organization protects more than 100 million acres of land and over 5,000 miles of rivers. It deals with issues related to climate change, fire, fresh water, forests, invasive species and marine ecosystems. The Nature Conservancy works with government agencies, indigenous communities, businesses, multilateral institutions and nonprofit organizations. The organization operates more than 100 conservation projects and has over 1 million members. It preserves plants, animals and natural communities through land acquisitions and conservation easements. The Nature Conservancy publishes articles on a variety of conservation-related issues. Additionally, it operates various conservation buyer projects. Headquartered in Arlington, Va., the organization maintains a location in Boulder, Colo.