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Hidden source of greenhouse gases – organic matter in groundwater

New research has found when groundwater – especially from deep down – is pumped to the surface, it brings with it dissolved organic matter preserved from long ago. Once sunlight and oxygen hit this matter, it can turn into carbon dioxide. Groundwater could be another source of planet-heating greenhouse gases, and one which is not included in our carbon budgets.

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https://theconversation.com/we-found-a-hidden-source-of-greenhouse-gases-organic-matter-in-groundwater-179957

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