Experiment ended
Ice core data tell us that for 800,000 years before the Industrial Revolution, atmospheric carbon dioxide was never above 300 ppm. We now measure it directly, and it is now above 400 ppm. This is a 33.3% increase in atmospheric carbon dioxide in just the last 200 years.
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| Format: | Other/Unknown Material |
| Language: | unknown |
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Center for Open Science
2023
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| Online Access: | http://dx.doi.org/10.31219/osf.io/6gjzy |
| Summary: | Ice core data tell us that for 800,000 years before the Industrial Revolution, atmospheric carbon dioxide was never above 300 ppm. We now measure it directly, and it is now above 400 ppm. This is a 33.3% increase in atmospheric carbon dioxide in just the last 200 years. |
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