Environmental law assures that the environment be protected against both public and private actions to take account of costs or harms inflicted on the eco-system. Attorneys handle environmental law are involved in the protection of natural resources, land, and wildlife; regulation of harmful emissions into air and water; and monitoring of commercial and industrial activities for their impact on the environment. Environmental law attorneys also advise businesses on compliance with federal and state environmental laws.
Sells is a census-designated place (CDP) in Pima County, Arizona, United States. The population was 2,799 at the 2000 census. It is the capital of the Tohono O'odham Nation and the home of several of their tribal businesses, such as . Originally known as Indian Oasis, the settlement took its present name in 1918 to honor Indian Commissioner Cato Sells.