Periodic Reporting for period 2 - ISOMET (Atmospheric content of the most abundant of 12CH4 isotopologues from ground-based and satellite infrared solar observations and development of a methane isotopic GEOS-Chem module.)

Atmospheric methane, the second most important greenhouse gas emitted by human activities, is responsible for approximately one fifth of the changes in the Earth’s balance energy since the beginning of the industrialization (~1750). Methane concentrations have reached a new...