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A study alleges that millions of indigenous Americans died following the arrival of Christopher Columbus in North America in 1492, and this drastic depopulation resulted in substantial global cooling.
The study, conducted by researchers from University College London and published in the journal Quarternary Science Reviews, claims that the deaths induced by European colonists occurred on such a large scale that they led to a “Little Ice Age,” a period of global cooling between the 16th and mid-19th century.
Researchers - Percent - Population - People - Hands
The researchers propose that some 90 percent of the indigenous population, or nearly 55 million people, died at the hands of the colonists, either through violence and or diseases like smallpox, measles, and influenza, hitherto unknown in the New World.
After the rapid drop in population, large areas of vegetation and farmland were abandoned and the resulting growth of trees and flora began absorbing more carbon dioxide and keeping it locked in the soil, causing the earth’s average temperature to fall by 0.15 degrees Celsius, the report claims.
Humans - Climate - Burning - Fuels - Alexander
“Humans altered the climate already before the burning of fossil fuels had started,” said Alexander Koch, a doctoral candidate in Physical Geography and the lead author of the study. “Fossil fuel burning then turned up the dial.”
The study alleges that human activity at the time “caused a drop in atmospheric CO₂ that cooled the planet long before human civilization was concerned with the idea of climate change.”
Mr - Koch
Mr. Koch was quick...
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