The Navajo Nation is the largest reservation in the United States, with more than 170,000 Diné living on the reservation, which spans more than 17 million acres across the states of Arizona, New Mexico, and Utah. Id. at 559. A significant number of households in the Navajo Nation do not have access to potable water. See, e.g., About the Bennett Freeze, Navajo Thaw Implementation Plan. Drought has devastated the Navajo Nation, with ranchers being particularly hard hit. Many sheep ranchers must now remove sheep from the range more frequently than in earlier years to allow ecosystems to restore themselves. Other ranchers have transitioned to cattle ranching, which is harder on grass and requires the introduction of nonnative plants for feed, resulting in further ecological disruption. See., e.g., N. Ariz. Univ., Navajo Nation: Dune Study Offers Clues to Climate Change Impacts (2008). In light of this ruling, the Diné will be forced to continue to deal with the extreme drought on the reservation, being exacerbated by climate change, without any additional assistance from the U.S. federal government.
Without much help from the US government for access to potable water many sheep herders on the Navajo Nation move around to not disrupt the ecosystems.