Climate Connections

Climate change is melting glaciers and ice sheets faster than they can regrow

Jan 14, 2026
The melting of glaciers and ice sheets is accelerating at an alarming rate, with Greenland alone losing over 5 trillion tons of ice in just two decades. Surprisingly, around two-thirds of Earth’s freshwater is stored in these frozen reserves. Seasonal melting and winter recovery can temporarily rebuild glaciers, but the ongoing changes are concerning. As ice melts, it contributes to rising sea levels, much like water filling a bathtub. These shifts have profound implications for our planet.
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INSIGHT

Most Fresh Water Is Frozen

  • Two-thirds of Earth's fresh water is locked in glaciers and ice sheets, holding a vast freshwater reserve.
  • Warming causes these ice masses to shrink because they now melt faster than they can regrow from snowfall.
INSIGHT

How Glaciers Grow And Shrink

  • Glaciers form as accumulated snow compresses into thick ice over time.
  • Seasonal melt and summer calving are now outpacing winter snowfall on many glaciers and ice sheets.
INSIGHT

Greenland's Massive Ice Loss

  • The Greenland ice sheet lost over 5 trillion tons of ice in 20 years, illustrating rapid ice loss.
  • That lost freshwater flows into the ocean and raises global sea levels progressively higher.
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