Abstract. We combine satellite observations and numerical models to show that Earth lost 28 trillion tonnes of ice between 1994 2017. Arctic sea (7.6 tonnes), Antarctic shelves (6.5 mountain glaciers (6.1 the Greenland sheet (3.8 (2.5 Southern Ocean (0.9 tonnes) have all decreased in mass. Just over half (58 %) loss was from Northern Hemisphere, remainder (42 Hemisphere. The rate has risen by 5...