This paper presents the first-ever comprehensive estimate of the total economic value of the National Parks Service. The estimate covers administered lands, waters, and historic sites as well as NPS programs, which include protection of natural landmarks and historic sites, partnerships with...

Carbon sequestration — the process of moderating global climate change by removing carbon dioxide from the atmosphere and storing it in long-term mineral, organic, and oceanic reservoirs — is an important ecosystem service provided by protected natural areas. One type of carbon sequestration...