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Thawing permafrost may release more CO2 than previously thought, study suggests


The amount of carbon dioxide released from thawing permafrost might be greater than previously thought because of a process called mineral weathering, according to a new study by University of Alberta ecologists. Mineral weathering occurs when minerals previously locked up in permafrost are exposed and broken down into their chemical components by sulfuric or carbonic acid that can exist naturally in water. more

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