Greenland, Antarctica lose 11.3 trillion tonnes of ice since 1979 azernews.az 12.5 trillion tons of polar ice has disappeared since the 70s, longest satellite record shows Space Greenland lost about 105 billion metric tons of ice in the year ending August 2025, its 29th consecutive year of net loss, while satellites captured vast gray patches where dust and soot darkened the surface and allowed it to absorb even more sunlight ecoticias.com Study finds 12.5 trillion tons lost from Greenland and A