Carterville is a city in Williamson County, Illinois, in the United States, and is geographically situated between Carbondale, Illinois and Marion, Illinois. The city is located next to Crab Orchard National Wildlife Refuge. The Refuge's 44,000 acres (180 km) of land and water contain a wide diversity of flora and fauna . As of the 2000 census, the city population was 4,616. Carterville's long serving Mayor is Bill Mausey (D) .

What is energy and natural resources law?

Energy Law Involves the use and regulation of electricity, natural gas, coal, hydropower, oil, and alternative energy sources like solar, wind, biomass and alcohol fuels, and geothermal -- including rate regulation, energy purchase and sale, public utilities, energy facility licensing, and deregulation of power and electric companies. Natural Resources Law encompass land, fish, wildlife, biota, air, water, ground water, drinking water supplies, and other such resources belonging to, managed by, held in trust by, appertaining to, or otherwise controlled by the United States, any State or local government.