Designing advanced biochar products for maximizing greenhouse gas mitigation potential

Sanchita Mandal, Binoy Sarkar, Nanthi Bolan, Jeff Novak, Yong Sik Ok, Lukas Van Zwieten, Bhupinder Pal Singh, M. B. Kirkham, Girish Choppala, Kurt Spokas, Ravi Naidu

Research output: Contribution to journalReview articlepeer-review

80 Citations (Scopus)


Greenhouse gas (GHG) emissions from agricultural operations continue to increase. Carbon (C)-enriched char materials like biochar have been described as a mitigation strategy. Utilization of biochar material as a soil amendment has been demonstrated to provide potentially greater soil GHG suppression due to its interactions in the soil system. However, these effects are variable and the duration of the impact remains uncertain. Various (nano)materials can be used to modify chars to obtain surface functionality to mitigate GHG emissions. This review critically focusses on the innovative methodologies for improving char efficiency, underpinning GHG mitigation and C sequestration.

Original languageEnglish
Pages (from-to)1367-1401
Number of pages35
JournalCritical Reviews in Environmental Science and Technology
Issue number17
Publication statusPublished - 2016 Sept 1
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 Taylor & Francis Group, LLC.


  • Activation
  • carbon dioxide
  • charcoal
  • grafting
  • nitrous oxide
  • plant nutrients
  • soil health

ASJC Scopus subject areas

  • Environmental Engineering
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution


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