A new study published in the journal Nature shows that glacier ice walls are vital for the climate, as they prevent rising ocean temperatures and melting glacier ice.

Propping up the ice The latest study says we could try to build support structures or even walls underneath the ice ... the mounds would help support the glacier, making collapse less likely ...

An curved arrow pointing right. Engineers at Japan's Fukushima nuclear power plant have designed an "ice wall" to stop the spread of radiation into the groundwater. Produced by Maya Dangerfield.

If it gets stuck it could make it hard for penguin parents to feed ... "It’s a huge wall, a Game of Thrones style wall of ice that towers above the ship. With some waves breaking against it ...