Satellite altimetry shows the rate of sea level rise has increased by 40% within the observational record — from 2.77 mm/yr in 1993–2005 to 3.88 mm/yr today. Direct measurement by two independent constellations, not a model output.
Tracks: Global mean sea level, Thermal expansion · sea level, Antarctic ice sheet, Greenland ice sheet, Committed rise, Glacier mass balance.