Ice crashing off of the Perito Moreno Glacier in Patagonia... Worldwide, most glaciers are shrinking or disappearing altogether. The Perito Moreno Glacier in Argentine Patagonia maintains a state of equilibrium, meaning that the glacier accumulates mass at a similar rate to that of its loss. It may sound like doom and gloom, but if we don’t do something soon, this glacier will start to shrink and disappear like many others on our planet.