Warming fastest since dawn of civilization, study shows - Science

As the fossil fuel-burning ratcheted up, the global temperatures rose 1.3 degrees Fahrenheit. That rise, Marcott said, "Is unprecedented compared to what we are showing in our reconstruction."

The reconstruction paints a picture of Earth gradually warming during the first half of the Holocene, and then, about 5,000 years ago, temperatures steadily dip to the coldest period of the Little Ice Age, about 200 years ago. Over these 5,000 years, the planet cooled 1.3 degrees Fahrenheit...

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