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.
Jasper County is located in central Iowa. It is surrounded by the following counties: West  Polk Co., North  Story and Marshall Cos., NE  Tama Co., East  Poweshiek Co., South  Mahaska and Marion Cos., and SW  Warren Co. Current towns and communities (Zip codes given for towns having Post Offices)