Polar Ice Loss Lifted Seas Over 1.1 Inches

Polar Ice Loss Lifted Seas Over 1.1 Inches

Satellite imagery of Greenland or Antarctic ice sheet with massive cracks and fragmented ice floes breaking into dark water.
Polar ice loss from Greenland and Antarctica has raised global sea levels by more than 1.1 inches since the 1970s.Illustration: The Frank

The News

Greenland and Antarctica have lost 11.3 trillion tonnes of ice since the 1970s, raising global sea levels by more than 1.1 inches, according to a new study reported Wednesday.

The Independent, citing the same research, put the figure at 12.5 trillion tons of ice melted since 1979 — a 47-year satellite record.

The bigger finding is what is driving it. Gizmodo reports the main driver is not surface melting but glaciers that are speeding up as they push ice off the land and into the sea.

The Numbers

11.3 trillion tonnes — ice lost from Greenland and Antarctica since the 1970s.

12.5 trillion tons — the loss since 1979, as reported by The Independent.

More than 1.1 inches (3cm) — the resulting rise in global sea levels.

Timeline

1979

The satellite record used by the researchers begins, giving scientists a continuous 47-year measurement of the two ice sheets.

The 1970s to today

Greenland and Antarctica shed 11.3 trillion tonnes of ice, adding more than 1.1 inches to global sea levels.

Sept. 16, 2026

The findings are published and picked up by outlets including The Independent, Gizmodo and the Daily Mail.

Reactions

The researchers behind the study frame the result as evidence that accelerating glaciers — ice flowing faster off land into the ocean — are the dominant force behind polar ice loss, rather than melting at the surface, according to Gizmodo's account of the work.

Coverage has split on emphasis more than on the facts. The Independent leads on the scale of the loss over the satellite era; the Daily Mail leads on the sea-level number that comes out of it. All three outlets report the same core finding.

What's Next

The study gives scientists a longer baseline than earlier estimates, and the question it raises is whether the glacier speed-up the researchers identify continues at the same pace — because that, not surface melt, is what would set the trajectory for sea levels from here.

Expect the figures to be contested and refined as other teams check them against their own satellite records.

More

Sea-level rise measured in inches sounds small, but it is a global average spread across every coastline — which is why researchers track it in fractions of an inch over decades rather than in dramatic annual jumps.

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