Some glaciers have been destabilized by warmer ocean waters. Scientists fear that parts of the ice sheet may be in the early stages of an unstoppable disintegration.
disintegration
/(ˌ)dis-ˌin-tə-ˈgrā-shən/
noun
the act or process of disintegrating or the state of being disintegrated: such as
the breaking down of something into small particles or into its constituent elements
loss of unity or integrity by or as if by breaking into parts