The Dictionary of the Climate Debate (DCD)

Holocene Climate Optimum
Definition: A warm period that occurred during 9,000 to 5,000 years BP.

1. It is also called the Hypsithermal, the Altithermal, the Climatic Optimum, the Holocene Optimum, the Holocene Thermal Maximum, and Holocene Megathermal. Take your pick.

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