The elimination of nearly 55 million, or 90 per cent, of Indigenous people in the Americas during European colonization led to global climate change and the “Little Ice Age” of the 17th century, a recent study finds.
Researchers at University College London found that the Great Dying — the massive loss of life that followed Christopher Columbus’ 1492 conquest of the Americas through genocide and the spread of disease — left roughly 56-million hectares of land abandoned.
When that land was reclaimed by nature, the resulting plant life removed seven billion metric tonnes of carbon from the atmosphere ultimately cooling the climate.
The study will be published in the March edition of Quaternary Science Reviews but is already available online.
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