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Atmospheric CO2 Hits 420 Parts Per Million, 50% Higher Than Pre-Industrial Levels

HeadlineJun 06, 2022

In climate news, the amount of carbon dioxide in the atmosphere has reached its highest level in human history. The National Oceanic and Atmospheric Administration says concentrations of CO2 topped 420 parts per million in May — that’s 50% higher than levels at the start of the Industrial Revolution. Last year, humanity added more than 36 gigatons of carbon dioxide pollution to the atmosphere — a record one-year total.

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