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Sulfur isotope excursions in skeletal collagen samples from Eurasia suggest rapidly changing biogeochemical processes across the region from about 30,000 to 15,000 years ago, potentially related to changing permafrost conditions.
During the last deglaciation the Cordilleran Ice Sheet experienced semi-continuous meltwater events between about 20,000 and 17,000 years ago, according to a terrestrial cave sediment record that has been described and dated.
Coral bleaching and mortality are substantially overestimated in most model projections that are based on Degree Heating Months instead of Degree Heating Weeks, calling into question results generated using Degree Heating Months.
