New results from the Global Methane Project team: global methane emissions have increased over the past 15 years, with fossil fuels and agriculture each responsible for about half of the increase. https://iopscience.iop.org/article/10.1088/1748-9326/ab9ed2

1/3

The US is responsible for about about 11% of the global increase. Methane emissions from fossil fuels contribute 9%, with the other 2% from agriculture, though bottom-up inventory estimates for agriculture changes are smaller:

2/3

There is no large increase in emissions from high-latitude regions – e.g. from melting permafrost – so far, though this may start to change as those regions continue to rapidly warm:

3/3

There is also a companion paper providing a detailed up-to-date inventory of global methane emissions: https://essd.copernicus.org/articles/12/1561/2020/