The Hockey Schtick
"...The sea level has risen approximately 120m since the peak of the last major ice age approximately 20,000 years ago. Although the rate of sea level rise has greatly decelerated over the past 6000 years, the rate over the entire 20000 year period is 6mm/year. Substituting .5*6 = 3 mm for 1.6 above yields 20213 years until all ice is melted. Note: melting sea ice causes no significant change in sea level due to Archimedes principle."
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