Greenland ice sheet loses 173 billion tonnes in 2025-2026, GEUS reports
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The Greenland ice sheet lost about 173 billion tonnes of ice from 2025 to 2026, according to the Geological Survey of Denmark and Greenland (GEUS). The loss marks the 30th consecutive year of negative mass balance for the ice sheet. Scientists say the trend reflects long-term climate change rather than isolated warm years.
Key Facts
- The Greenland ice sheet lost about 173 billion tonnes of ice from 2025 to 2026.
- The ice sheet has had a negative mass balance for 30 consecutive years.
- GEUS scientist Signe Hillerup Larsen said the 30-year trend shows global warming is increasing melting.
- The ice sheet will continue to lose mass, contributing to sea level rise.
Ice Loss Data
The Greenland ice sheet lost about 173 billion tonnes of ice from 2025 to 2026. The loss is reported in the latest assessment by the Geological Survey of Denmark and Greenland (GEUS). The ice sheet has now ended 30 consecutive years with a negative mass balance.
Scientific Assessment
GEUS scientist Signe Hillerup Larsen said single-year weather is influenced by many factors and says little about long-term climate trends. Researchers therefore examine 30-year periods, and the data show global warming is increasing melting and reducing the ice sheet over time. The ice sheet will continue to lose mass, directly affecting global sea level rise.
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