A critique to biochar-based carbon dioxide removal is that it draws carbon from the biosphere without reducing atmospheric CO2, but just moving this from one to another storage form (reservoir, or pool). This perspective reflects a misunderstanding of ecosystem dynamics, photo- synthesis and carbon fluxes. The aim of this work is to provide correct scientific framing on biochar as CO2 removal (CDR) solution, based on scientific evidence, and clarify the underlying carbon-cycle accounting and timescales.
Biochar and its impact on the carbon cycle
Vaccari, Francesco Primo
2025
Abstract
A critique to biochar-based carbon dioxide removal is that it draws carbon from the biosphere without reducing atmospheric CO2, but just moving this from one to another storage form (reservoir, or pool). This perspective reflects a misunderstanding of ecosystem dynamics, photo- synthesis and carbon fluxes. The aim of this work is to provide correct scientific framing on biochar as CO2 removal (CDR) solution, based on scientific evidence, and clarify the underlying carbon-cycle accounting and timescales.File in questo prodotto:
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Descrizione: Biochar and its impact on the carbon cycle
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