The Holocenerecent Climates10000 Years Ago To Present

The Holocene brings geologic time up to the present day. The major ice sheets of the last ice age reached their maximum extent about 18,000 years ago and then began retreating around 14,000 years ago. However, this time span was not one of a continual upward trend in temperatures. The climate varied from significant cooling to thermal episodes. There were four notable periods of climatic cooling or warming during this period: (1) the Younger Dryas Cooling, (2) the Mid-Holocene Thermal Maximum, (3) the Late Holocene Neoglacial Fluctuations, and (4) the Little Ice Age.

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