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Global change

Indirect feedbacks to rising CO2

There have been many studies on the effects of enriched levels of atmospheric carbon dioxide on soils. A meta-analysis shows that emissions of other greenhouse gases increase under high-CO2 conditions. See Letter p.214

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Figure 1: Proposed mechanisms of increased N2O and CH4 emissions from soils.


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Correspondence to Alexander Knohl or Edzo Veldkamp.

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Knohl, A., Veldkamp, E. Indirect feedbacks to rising CO2. Nature 475, 177–178 (2011).

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