Ancient soils are 'reservoirs' of carbon and could contribute to climate change
from International Business Times
There is far more carbon stored in the Earth’s soil than previously thought, a new study has shown, and scientists fear disturbing it could unleash vast amounts of it into the atmosphere. According to new research, published in the journal Nature Geoscience, ancient soil that was buried thousands of years ago has been found to be rich in organic carbon. The soil is up to six-and-a-half meters, or 21 feet, below the present-day surface and could be exposed through erosion, agriculture, mining, deforestation and other human activities.
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