of Nebraska, the Natural Resources Conservation Service, the Nebraska Natural Heritage Program, the University of Nebraska, and the United States Fish and Wildlife Service. Turner Enterprises has acquired of land in Nebraska. His extensive ranches for grazing cattle are known for their bison while focusing on sustainable practices such as rotational grazing of the grasslands. In 2021, Ted Turner announced to that an ranch he owns in western Nebraska would be turned over to the newly created Turner Institute of Ecoagriculture. TransCanada Keystone XL Project A November 10, 2011 press release on the Keystone Pipeline Project Presidential Permit Review Process, announced that the U. S. State Department would assess TransCanada Keystone XL Project (Hardisty-Baker-Steele City) proposal. "[G]iven the concentration of concerns regarding the environmental sensitivities of the current proposed route through the Sand Hills area of Nebraska, the Department has determined it needs to undertake an in-depth assessment of potential alternative routes in Nebraska [...] The comments were consistent with the information in the final Environmental Impact Statement (EIS) about the unique combination of characteristics in the Sand Hills (which includes a high concentration of wetlands of special concern, a sensitive ecosystem, and extensive areas of very shallow groundwater) and provided additional context and information about those characteristics. The concern about the proposed route's impact on the Sand Hills of Nebraska has increased significantly over time, and has resulted in the Nebraska legislature convening a special session to consider the issue." On November 3, 2015, the request for a Presidential Permit was denied. See also Aeolian processes Barchan Blowout Desertification Dune Dust Bowl Kinkaid Act List of ecoregions in the United States (WWF) Sandhill References Further reading External links Nebraska Sand Hills - Virtual Field Trips Dunes were mobile 1,000 years ago Amphibians and Reptiles of the Sand Hills Mammals of the Sand Hills The Nebraska Sandhills - photos of plants, animals and landscapes Hills of Nebraska Dunes of the United States Grasslands of the North American Great Plains Temperate grasslands, savannas, and shrublands in the United States Ecoregions of the United States National Natural Landmarks in Nebraska Geologic formations of Nebraska Landforms of Nebraska Natural history of Nebraska Regions of Nebraska . .