Those floating shelves anchor the landed glaciers that feed them.Shelves float in the ocean. Back in the middle 1850's mariners were able to sail almost three hundred miles further south than they can now.
Funny how climatologists hide that fact.
Hmm. The world was warmer in the recent past, and catastrophe didn't happen.
Never heard about mariners of the 1850s. Got a link?
The world was both warmer and colder in the past. Which period are you talking about?