Ice age
Videos
An ice age is a period of time when decreased temperature of Earth's surface and atmosphere results in the prolonged presence or expansion of continental alpine glaciers and polar ice caps. The term i
An artist's impression of ice age Earth at Pleistocene glacial maximum
Haukalivatnet lake (50 meters—164 feet—above sea level) where Jens Esmark in 1823 discovered similarities to moraines near existing glaciers in the high mountains
Stages of proglacial lake development in the region of the current North American Great Lakes
Scandinavia exhibits some of the typical effects of ice age glaciation such as fjords and lakes.