Nation Greenland hit with ‘unusually extensive’ melting of ice sheet, boosting sea levels, scientists say July 23, 2022July 24, 2022 Saleen Martin, USA TODAY Comments Off on Greenland hit with ‘unusually extensive’ melting of ice sheet, boosting sea levels, scientists say Rapid melting can impact sea level rise and also countries that rely on seasonal water supply from melting glaciers, said scientist William Lipscomb.