Cairo is a city in Alexander County, Illinois in the United States. The population was 3,632 at the 2000 census. It is the county seat of Alexander County. Cairo is located at the confluence of the Mississippi and Ohio Rivers, and is the southernmost town in the state of Illinois. The rivers converge at what is the southernmost point in Illinois at Fort Defiance State Park, an American Civil War fort that was commanded by General Ulysses S. Grant, making Cairo the only city in Illinois completely surrounded by levees. It is part of the Cape Girardeau–Jackson, MO-IL Metropolitan Statistical Area. Several blocks in the town comprise the Cairo Historic District, listed on the National Register of Historic Places (NRHP). The Old Customhouse is also on the NRHP.

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.