On the eve of COP30, the UN issues a serious warning: despite thousands of methane leaks identified via satellite, almost 90% of them have not been corrected — which profoundly undermines the ongoing emissions reduction target. Data from UNEP's International Methane Emissions Observatory (IMEO) reveal systemic failures in the response of governments and the oil and gas sector, even though they may represent “easy wins” in mitigation. This article details the data, the implications for the climate, what is behind the delay and why methane is considered “the invisible levity” but has an immediate effect on the climate crisis.