Between 1990 and 2001, the IPCC rewrote the Arctic sea ice satellite record, and changed a trend of ice increasing to ice decreasing.
“The American Navy Joint Ice Center has produced weekly charts which have been digitised by NOAA ….. Since about 1976 the areal extent of sea-ice in the Northern Hemisphere has varied about a constant climatological level but in 1972-1975 sea-ice extent was significantly less.
