Antarctica’s ‘doomsday’ glacier is edging closer to a point of no return, scientists fear

The tongue of the Thwaites Glacier. If it collapsed entirely, the structure would raise global sea levels by a potentially catastrophic amount (Picture: NASA/Cover Media)

Scientists have come up with a bold plan to halt the collapse of the so-called Doomsday Glacier and prevent sea levels rising disastrously – a 50-mile-long sea curtain.

The Thwaites Glacier, one of Antarctica’s most unstable ice masses, is edging closer to a point of no return, according to scientists.

It is...