Welcome to the Meghalayan Age - a new phase in history
Well, sort of - provisionally, it already ended, around 1950.
We currently live in what is called the Holocene Epoch, which reflects everything that has happened over the past 11,700 years - since a dramatic warming kicked us out of the last ice age. But the Holocene itself can be subdivided, according to the International Commission on Stratigraphy (ICS).
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These all record major climate events. The Meghalayan, the youngest stage, runs from 4,200 years ago to 1950. It began with a destructive drought, whose effects lasted two centuries, and severely disrupted civilisations in Egypt, Greece, Syria, Palestine, Mesopotamia, the Indus Valley, and the Yangtze River Valley.
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They are also concerned that the divisions have been approved when there is still an active debate about assigning a new geologic slice of time to reflect specifically the influence of humans on the planet.
Tentatively referred to as the Anthropocene, its precise definition - its beginning point and the spike used to denote its initiation - is the subject of ongoing research.
https://www.bbc.co.uk/news/science-environment-44868527
Bizarrely, "Northgrippian" seems to come from "North Greenland ice Core Project":
https://en.wikipedia.org/wiki/North_Greenland_Ice_Core_Project