If you have a bunch of ice sitting on land that's at -1C and then you increase temperatures by 1.5C, then that ice will become water in the ocean. Incidentally

If you have a bunch of ice sitting on land that's at -1C and then you increase temperatures by 1.5C, then that ice will become water in the ocean. Incidentally, that hypothetical scenario lines up pretty well with the past 70 years. https://en.wikipedia.org/wiki/Retreat_of_glaciers_since_1850#/media/File:1950-_Glacier_annual_mass_change_-_World_Glacier_Monitoring_Service.svg https://en.wikipedia.org/wiki/Retreat_of_glaciers_since_1850...