Do Methane Leaks Detract from Natural Gas?

Some commentators criticize that methane leaks detract from natural gas as a low-carbon fuel in the energy transition. Leaking 2.7-3.5% of natural gas could make gas “dirtier than coal”. However, when considered apples-to-apples, we find natural gas value chains leak 30% less methane than oil and 70% less methane than underground coal mining. This note explains the data.