In support of the ACT America project, two additional communications towers were instrumented with Picarro G2301 analyzers to measure methane and carbon dioxide concentrations continuously.

Penn State operates additional greenhouse gas (GHG) measurement sites
Indianapolis Flux (INFLUX) project 12 CO2/CH4 sites in/near Indianapolis, IN
Gulf Coast Intensive project 5 CO2 sites (1 with CH4) – Mississippi, Florida, Alabama, Louisiana
Marcellus Shale Gas region project 4 CH4/CO2 sites in Pennsylvania/New York