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the claim
Thawing Arctic permafrost is releasing heat-trapping gases that were previously frozen in the ground and are adding to global warming.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
9 sources for · 0 against
Is it true that Thawing Arctic permafrost is releasing heat-trapping gases that were previously frozen in the ground and are adding to global warming?
Yes. Two reference items state directly that Arctic permafrost thaw releases previously frozen heat-trapping gases such as carbon dioxide and methane that accelerate climate change; several further peer-reviewed and reference items partially cover the same mechanism, describing mobilization of previously frozen carbon and altered greenhouse gas emissions.
Verdict: SUPPORTED · 9 sources for, 0 against · Last checked
Evidence for · 9
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Permafrost. (n.d.). climate.mit.edu. https://climate.mit.edu/explainers/permafrost
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More for · 8
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H, W., M, F., BW, A., TA, D., CD, E., JG, E., ES, E., M, G., G, G., G, H., MC, J., C, K., H, K., E, L., W, L., MM, L., SM, N., D, O., C, S., & EAG, S. (2025). A Review of Abrupt Permafrost Thaw: Definitions, Usage, and a Proposed Conceptual Framework.. doi.org. https://doi.org/10.1007/s40641-025-00204-3
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Biodegradability of dissolved organic carbon in permafrost soils and aquatic systems: a meta-analysis. (n.d.). cir.nii.ac.jp. https://doi.org/10.5194/bg-12-6915-2015
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Unraveling biogeochemical cycling of carbon, sulfur and nitrogen with high resolution mass spectrometry: from California vineyards to thawing permafrost in Sweden. (2025). hdl.handle.net. https://hdl.handle.net/10217/241886
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Graham, I. (2025). Protecting Permafrost: Addressing the climate threat of Arctic thaw. zenodo.org. https://doi.org/10.5281/zenodo.17953535
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M., I. A., Tillmann, L., & Sebastian, L. (2025). Introducing the New Global Terrestrial Network for Permafrost (GTN-P) Database – the Primary Data Repository for the Permafrost Essential Climate Variable (ECV). zenodo.org. https://doi.org/10.5194/egusphere-egu25-7435
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Characteristics and seasonality of particulate and dissolved organic matter discharged by the Lena River to the arctic coast. (2025). doi.org. https://doi.org/10.26092/elib/3759
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Characteristics and seasonality of particulate and dissolved organic matter discharged by the Lena River to the arctic coast. (2025). opac.k10plus.de. https://opac.k10plus.de/
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Abrupt increase in Arctic-Subarctic wildfires caused by future permafrost thaw. (n.d.). cir.nii.ac.jp. https://doi.org/10.1038/s41467-024-51471-x
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