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  1. Mar 11, 2015 · An ice age is a period of colder global temperatures and recurring glacial expansion capable of lasting hundreds of millions of years. Learn about the five significant ice ages in Earth's history, how they change the Earth's surface, and how humans adapted to their harsh climate.

  2. May 24, 2017 · An Ice Age is a period in which the earth's climate is colder than normal, with ice sheets capping the poles and glaciers dominating higher altitudes. Within an ice age, there are varying pulses of colder and warmer climatic conditions, known as 'glacials' and 'interglacials'.

    • Emma Groeneveld
  3. Ice age – Period of long-term reduction in temperature of Earth's surface and atmosphere. Last Glacial Period – Period of major glaciations of the Northern Hemisphere (115,000–12,000 years ago) Thermal history of Earth. Geologic temperature record – Very long term changes in Earth's temperature.

  4. The Last Glacial Period ( LGP ), also known colloquially as the Last Ice Age or simply Ice Age, [1] occurred from the end of the Last Interglacial to the end of the Younger Dryas, encompassing the period c. 115,000 – c. 11,700 years ago.

  5. Mar 24, 2024 · ice age, any geologic period during which thick ice sheets cover vast areas of land. Such periods of large-scale glaciation may last several million years and drastically reshape surface features of entire continents. A number of major ice ages have occurred throughout Earth history.

    • The Editors of Encyclopaedia Britannica
  6. An ice age is a period in which the earth's climate is colder than normal, with ice sheets capping the poles and glaciers dominating higher altitudes. Within an ice age, there are varying pulses of colder and warmer climatic conditions, known as 'glacials' and 'interglacials'.

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