New research shows how rapidly ice sheets can retreat -- and what it could mean for Antarctic melting
![The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy](https://c8.alamy.com/comp/J04W40/the-big-rock-is-the-worlds-largest-known-glacial-erratic-rock-transported-J04W40.jpg)
The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy
![Breathtaking glacier in Iceland with black rock and large ice sheets, melting ice due to climate change Stock Photo - Alamy Breathtaking glacier in Iceland with black rock and large ice sheets, melting ice due to climate change Stock Photo - Alamy](https://c8.alamy.com/comp/2BNBAPM/breathtaking-glacier-in-iceland-with-black-rock-and-large-ice-sheets-melting-ice-due-to-climate-change-2BNBAPM.jpg)
Breathtaking glacier in Iceland with black rock and large ice sheets, melting ice due to climate change Stock Photo - Alamy
![Breathtaking glacier in Iceland with black rock and large ice sheets, melting ice due to climate change Stock Photo - Alamy Breathtaking glacier in Iceland with black rock and large ice sheets, melting ice due to climate change Stock Photo - Alamy](https://c8.alamy.com/comp/2BNBAXD/breathtaking-glacier-in-iceland-with-black-rock-and-large-ice-sheets-melting-ice-due-to-climate-change-2BNBAXD.jpg)
Breathtaking glacier in Iceland with black rock and large ice sheets, melting ice due to climate change Stock Photo - Alamy
![Greenland, Kangerlussuaq or Sondrestrom ('Big Fjord'). Greenland ice sheet, Russell Glacier and Moraine glacial debris landscape, rock cairn. (Large format sizes available Stock Photo - Alamy Greenland, Kangerlussuaq or Sondrestrom ('Big Fjord'). Greenland ice sheet, Russell Glacier and Moraine glacial debris landscape, rock cairn. (Large format sizes available Stock Photo - Alamy](https://c8.alamy.com/comp/F4E786/greenland-kangerlussuaq-or-sondrestrom-big-fjord-greenland-ice-sheet-F4E786.jpg)
Greenland, Kangerlussuaq or Sondrestrom ('Big Fjord'). Greenland ice sheet, Russell Glacier and Moraine glacial debris landscape, rock cairn. (Large format sizes available Stock Photo - Alamy
![The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy](https://c8.alamy.com/comp/J04W3N/the-big-rock-is-the-worlds-largest-known-glacial-erratic-rock-transported-J04W3N.jpg)
The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy
![Research shows ice sheets as large as Greenland's melted fast in a warming climate - Purdue University News Research shows ice sheets as large as Greenland's melted fast in a warming climate - Purdue University News](https://www.purdue.edu/uns/images/2017/nahanni-park.jpg)
Research shows ice sheets as large as Greenland's melted fast in a warming climate - Purdue University News
![The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy The Big Rock" is the world's largest known glacial erratic--rock transported far from its place of origin by glacial ice. Big Rock, also known as the Stock Photo - Alamy](https://c8.alamy.com/comp/J04W3J/the-big-rock-is-the-worlds-largest-known-glacial-erratic-rock-transported-J04W3J.jpg)