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Respecting the laws of physics PRINCIPLES FOR CARBON DIOXIDE REMOVAL ACCOUNTING
The report establishes four core principles for verifying 'real' carbon dioxide removals: sourcing carbon from the atmosphere, ensuring permanent storage (at least 200-300 years), conducting comprehensive life cycle assessments of all associated emissions, and ensuring net-negative results. It argues against the 'false equivalency' that one tonne emitted equals one tonne removed, noting that removals may only undo up to 90% of an emission's impact and cannot reverse certain climate damages like sea-level rise. The author emphasizes that CDR should supplement, not replace, deep decarbonization to prevent 'mitigation deterrence,' where the promise of future removals slows current emission cuts.
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Document type: Report
Addressing the risk of double counting emission reductions under the UNFCCC
The paper identifies four types of double counting—double issuance, double claiming, double use, and double purpose—and argues that preventing these is essential for the integrity of international carbon markets. It recommends a 'net flows' accounting approach to ensure full fungibility of units and the international linking of emissions trading schemes. To prevent double issuance, the authors suggest a combination of entity attestations, host country approval, and a centralized UNFCCC information platform. The document emphasizes that globally unique serial numbers containing detailed metadata on mechanism, country, vintage, and scope are critical for effective international oversight.
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This summary is written by a language model reading the source document. It is not the publisher's words and is not a substitute for the original.
Document type: Research paper