Chesapeake Energy is an American company primarily engaged in the exploration and production of natural gas and oil. Founded in 1989 and headquartered in Oklahoma City, it has become one of the largest producers of natural gas in the United States. The company focuses on developing resources in key areas, including the Marcellus Shale and Barnett Shale regions. In addition to its core operations, Chesapeake Energy is involved in various environmental initiatives aimed at reducing its carbon footprint. The company has made efforts to adopt cleaner technologies and practices in its drilling and production processes, reflecting a growing trend in the energy sector towards sustainability.