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27 November, 00:16

How have atmospheric carbon levels changed?

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  1. 27 November, 01:04
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    Climate Change: Atmospheric Carbon Dioxide. The global average atmospheric carbon dioxide in 2018 was 407.4 parts per million (ppm for short), with a range of uncertainty of plus or minus 0.1 ppm ... Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy.
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