Central Greenland Was Recently Ice-Free And Covered With Plants When CO2 Was Under 300 ppm

Today, with CO2 levels supposedly in the “dangerously high” range, Central Greenland has 3 kilometers of ice piled atop it. Scientists have known since the GISP2 borehole was drilled in 1993 that Central Greenland deglaciated at least once in the late Pleistocene (Bierman et al., 2024). Indeed, the Summit of the modern Greenland ice sheet … Continue reading Central Greenland Was Recently Ice-Free And Covered With Plants When CO2 Was Under 300 ppm