Original? In the early 20th century global cooling and an end to the interglacial period of the ice age we’re still in was a prominent concern.
By the way if we reset to the atmospheric conditions of a few hundred years ago this would be a certainty within a period of thousands of years at most. Much of the world’s population centers, agriculture, etc covered in hundreds of feet of ice.
By the way if we reset to the atmospheric conditions of a few hundred years ago this would be a certainty within a period of thousands of years at most. Much of the world’s population centers, agriculture, etc covered in hundreds of feet of ice.