Arctic driftwood proposal for durable carbon removal
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2026-02-04
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2731-9814
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Büntgen U, Oppenheimer C, Trnka M, et al., (2026) Arctic driftwood proposal for durable carbon removal. npj Climate Action, Volume 5, Issue 1, 2026, Article number 1
Abstract
Various geoengineering approaches have been proposed for carbon dioxide (CO2) removal but their viability at scale remains unclear. Here, we consider the natural behaviour of driftwood, the warming-induced acceleration of sea-ice loss and tree growth, as well as the stability of cellulose in subfossil wood under cold-anoxic conditions, to introduce the concept of sinking timber from the boreal forest for durable CO2 sequestration at the deep Arctic Ocean floor.
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37 Earth Sciences, 3709 Physical Geography and Environmental Geoscience, 31 Biological Sciences, 13 Climate Action
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Attribution 4.0 International
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This study was supported by the AdAgriF project: “Advanced methods of greenhouse gases emission reduction and sequestration in agriculture and forest landscape for climate change mitigation” (CZ.02.01.01/00/22_008/0004635), the ERC Advanced Grant (882727; Monostar), and the ERC Synergy Grant (101118880; Synergy-Plague).