Thwaites Glacier already accounts for 4% of present sea levels rising even before it collapses

 In January 2020, scientists said warm water was discovered underneath the Thwaites, which could speed up the melting of the 74,000-square-mile glacier located in West Antarctica. Ice draining from the Thwaites into the Amundsen Sea already accounts for about 4% of global sea-level rise. 

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https://www.msn.com/en-us/weather/topstories/collapse-of-florida-sized-glacier-may-happen-soon-raising-sea-levels-and-threatening-coastal-cities/ar-AART8tv?ocid=BingNews