" Most researchers had anticipated that the complete disappearance of the Arctic ice pack during summer months would happen after the year 2070, he said, but now, "losing summer sea ice cover by 2030 is not unreasonable."

Scores of peer-reviewed scientific studies have documented a steady, worldwide decline in ice cover, from the sea-bound ice covering the North Pole to the vast, land-based ice sheets that cover the Antarctic continent. Glaciers, from Greenland to the Alps to Mount Kilimanjaro near the equator, also have been vanishing."