Mid-Holocene retreat of the Greenland Ice Sheet indicated by subglacial methane release
M. Stibal
Nature Geoscience, Published online: 05 May 2026; doi:10.1038/s41561-026-01976-5 Methane in modern subglacial meltwater coming from the western Greenland Ice Sheet largely dates back to the period following the Holocene Thermal Maximum, when a smaller ice sheet allowed organic matter accumulation and biological methane production after ice readvance.