National parks such as Yellowstone are a result of?

Many national parks, including Yellowstone, have been established through conservation efforts undertaken by government agencies, organizations, and individuals dedicated to preserving and protecting natural ecosystems, wildlife, and significant landscapes. Yellowstone, for example, was designated as a national park in 1872, largely due to efforts by explorers, conservationists, and influential individuals who recognized the exceptional natural features and ecological value of the area. The goal of establishing national parks is to conserve significant natural landscapes, and safeguard biodiversity and geological formations to allow future generations to appreciate and understand these unique environments. National parks serve as a means of sustainable conservation and preserving our natural heritage for conservation's benefit and scientific