Methane – natural gas – leaks into the atmosphere from wells, pipelines, LNG liquefaction/transport/expansion, pumping stations, and home appliances are well documented. Methane – natural gas – is a global warming gas. Methane is also burned to run pipeline compressors and LNG liquefaction chains.
Here is another, Nature and Nature Communications reports the Nordstream2 delivering natural gas from Russia to Germany emitted .1% alone of the world methane leaks in 2022.
Source: Energy_Balance