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 …

Commercially available fast-response analysers for methane (CH4) and nitrous oxide (N2O)
have recently become more sensitive, more robust and easier to operate. This has made …

The measures taken to contain the spread of COVID-19 in 2020 included restrictions of
people's mobility and reductions in economic activities. These drastic changes in daily life …

Methane emissions from natural gas delivery and end use must be quantified to evaluate the
environmental impacts of natural gas and to develop and assess the efficacy of emission …

Megacities, with their large and complex infrastructures, are significant sources of methane
emissions. To develop a simple, low-cost methodology to quantify these globally important …

Urban areas now house more than half the world's population, and are estimated to
contribute over 70% of global energy‐related CO2emissions. Many cities have emission …

Characterizing and attributing methane (CH 4) emissions across varying scales are
important from environmental, safety, and economic perspectives and are essential for …

Atmospheric methane (CH 4) continues to increase, but there are multiple anthropogenic
source categories that can be targeted for cost-effective emissions reduction. Cities emit CH …

The lockdown measures implemented worldwide to slow the spread of the COVID–19
pandemic have allowed for a unique real-world experiment, regarding the impacts of drastic …

We use historical and new atmospheric trace gas observations to refine the estimated
source of methane (CH4) emitted into California's South Coast Air Basin (the larger Los …