Biochar is proposed as a promising solution for sustainable development, but proper risk management and careful evaluation are essential when considering its use. It is crucial to acknowledge the limitations of biochar and recognize that it is not a magic bullet for green technologies.
This is a preview of subscription content, access via your institution
Relevant articles
Open Access articles citing this article.
-
Initial changes in soil microbial community structure after combined biochar and straw application to agricultural soil: evidence from a 180-day incubation experiment
Carbon Research Open Access 27 October 2025
-
Fenlong-ridging combined with composite modifier reconstructs soil microbiome to mitigate saline stress and enhance sustainable cultivation of Isatis indigotica Fortune
Scientific Reports Open Access 07 October 2025
-
Benefits of conductive additive for direct interspecies electron transfer in anaerobic digestion
Frontiers of Environmental Science & Engineering Open Access 01 September 2025
Access options
Access Nature and 54 other Nature Portfolio journals
Get Nature+, our best-value online-access subscription
$32.99 / 30 days
cancel any time
Subscribe to this journal
Receive 12 digital issues and online access to articles
$119.00 per year
only $9.92 per issue
Buy this article
- Purchase on SpringerLink
- Instant access to the full article PDF.
USD 39.95
Prices may be subject to local taxes which are calculated during checkout

References
Lehmann, J. A handful of carbon. Nature 447, 143–144 (2007).
Natasha, N. et al. Influence of biochar on trace element uptake, toxicity and detoxification in plants and associated health risks: a critical review. Crit. Rev. Environ. Sci. Technol. 52, 2803–2843 (2021).
Xiang, L. et al. Potential hazards of biochar: the negative environmental impacts of biochar applications. J. Hazard. Mater. 420, 126611 (2021).
Lehmann, J. et al. Biochar in climate change mitigation. Nat. Geosci. 14, 883–892 (2021).
Lian, F. & Xing, B. Black carbon (biochar) in water/soil environments: molecular structure, sorption, stability, and potential risk. Environ. Sci. Technol. 51, 13517–13532 (2017).
He, Y. et al. Effects of biochar application on soil greenhouse gas fluxes: a meta‐analysis. GCB Bioenergy 9, 743–755 (2017).
He, M. et al. Waste-derived biochar for water pollution control and sustainable development. Nat. Rev. Earth Environ. 3, 444–460 (2022).
Zhang, P. et al. Functional biochar and its balanced design. ACS Environ. Au 2, 115–127 (2022).
Senthil, C. & Lee, C. W. Biomass-derived biochar materials as sustainable energy sources for electrochemical energy storage devices. Renew. Sustain. Energy Rev. 137, 110464 (2021).
Acknowledgements
The authors thank the National Natural Science Foundation of China (52200074, 51821006 and 52192684) for supporting this work.
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Competing interests
The authors declare no competing interests.
Rights and permissions
About this article
Cite this article
Tan, G., Yu, HQ. Rethinking biochar: black gold or not?. Nat Rev Mater 9, 4–5 (2024). https://doi.org/10.1038/s41578-023-00634-1
Published:
Version of record:
Issue date:
DOI: https://doi.org/10.1038/s41578-023-00634-1
This article is cited by
-
Fenlong-ridging combined with composite modifier reconstructs soil microbiome to mitigate saline stress and enhance sustainable cultivation of Isatis indigotica Fortune
Scientific Reports (2025)
-
Biochar application using recycled annual self straw reduces long-term greenhouse gas emissions from paddy fields with economic benefits
Nature Food (2025)
-
Environmental behavior of per- and polyfluoroalkyl substances (PFASs) and the potential role of biochar for its remediation: a review
Biochar (2025)
-
Benefits of conductive additive for direct interspecies electron transfer in anaerobic digestion
Frontiers of Environmental Science & Engineering (2025)
-
Initial changes in soil microbial community structure after combined biochar and straw application to agricultural soil: evidence from a 180-day incubation experiment
Carbon Research (2025)