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Humans Produce 100x More CO2 Than All Earth’s Volcanoes Combined

According to a decade-long study by an international team of researchers, human CO2 emissions total 100 times more than the planet-warming effects of all volcanoes combined.

The total amount emitted by volcanoes is only about 0.3 gigatons a year — a tiny fraction of the 37 gigatons humankind produced in 2018 alone.

That means they’re not nearly as big of a contributor to global emissions as some prevailing theories hold.

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