Atmospheric methane concentrations are of interest due to methane's impact on climate change, as it is one of the most potent greenhouse gases in Earth's atmosphere.tmospheric methane concentrations are of interest due to methane's impact on climate change, as it is one of the most potent greenhouse gases in Earth's atmosphere.
Muscatine County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 42,745. The county seat is Muscatine. The southeastern border is formed by the Mississippi River. Muscatine County comprises the Muscatine, IA Micropolitan Statistical Area, which is included in the Davenport-Moline, IA-IL Combined Statistical Area.
Cerro Gordo County, Iowa. Cerro Gordo County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 44,151. Its county seat is Mason City. The county is named for the Battle of Cerro Gordo, which took place during the Mexican-American War. Cerro Gordo County is part of the Mason City, IA Micropolitan Statistical Area.