What proportion of California residents supported creation of a bioregion and proposed country in western region of North America.
Cascadia (independence movement) Cascadia is a bioregion and proposed country located within the western region of North America. Potential boundaries differ, with some drawn along existing political state and provincial lines, and others drawn along larger ecological, cultural, political, and economic boundaries.
List of North American deserts This list of North American deserts identifies areas of the continent that receive less than 10 in annual precipitation. The "North American Desert" is also the term for a large U.S. Level 1 ecoregion (EPA) of the North American Cordillera, in the Deserts and xeric shrublands biome (WWF). The continent's deserts are largely between the Rocky Mountains and Sierra Madre Oriental on the east, and the rain shadow-creating Sierra Nevada, Transverse, and Peninsular Ranges on the west. The North American xeric region of over 95751 sqmi includes: three major deserts; numerous smaller deserts; and large non-desert arid regions; in the western United States and in northeast, central, and northwest Mexico.