Breakaway iceberg raises concerns over Antarctica’s 'doomsday glacier'

A massive iceberg that has been stuck on the seafloor in front of the Thwaites glacier in West Antarctica for two decades and helped protect it is now floating away

Breakaway iceberg raises concerns over Antarctica’s 'doomsday glacier'
A massive iceberg that has been stuck on the seafloor in front of the Thwaites glacier in West Antarctica for two decades and helped protect it is now floating away