The atmospheric methane burden is increasing rapidly, contrary to pathways compatible
with the goals of the 2015 United Nations Framework Convention on Climate Change Paris …

The atmospheric concentration of methane has more than doubled since the start of the
Industrial Revolution. Methane is the second-most-abundant greenhouse gas created by …

The Korea-United States Air Quality Study (KORUS-AQ) took place in spring 2016 to better
understand air pollution in Korea. In support of KORUS-AQ, 2554 whole air samples (WAS) …

Satellite ammonia (NH3) observations provide unprecedented insights into NH3 emissions,
spatiotemporal variabilities and trends, but validation with in situ measurements remains …

In this study, an extension on the previously reported status of the COllaborative Carbon
Column Observing Network's (COCCON) calibration procedures incorporating refined …

Abstract The University of Colorado Airborne Solar Occultation Flux (CU AirSOF) instrument
conducted the first suborbital carbon monoxide (CO) mass flux measurements on the scale …

Methane (CH 4) emissions from coal production amount to roughly one-third of European
anthropogenic CH 4 emissions in the atmosphere. Poland is the largest hard coal producer …

Dairy concentrated animal feeding operations (CAFOs) are significant sources of methane
(CH 4) and ammonia (NH 3) emissions in the San Joaquin Valley, California. Optical …

We describe the resources used, the deployment strategy, and the outcomes of the Front
Range Air Pollution and Photochemistry Éxperiment (FRAPPÉ) experiment, which took …

In regions where there are multiple sources of methane (CH 4) in close proximity, it can be
difficult to apportion the CH 4 measured in the atmosphere to the appropriate sources. In the …