Researchers Want to Use ‘Biochar’ to Combat Climate Change

May 23, 2023

Study finds ‘green’ tech can help lower greenhouse gas emissions.

A new review of research suggests that the nature-based technology biochar – a carbon-rich material – could be an important tool to use in agriculture to help mitigate climate change.

Made by pyrolysis, a process that involves heating organic material in a low-oxygen environment, biochar – a charcoal-like, porous substance – has long been utilized for crop production as a soil amendment or carbon sequestration agent. In recent years,  researchers have seen a resurgence of heightened interest in the technology due to its unique physical structure and its various agricultural and environmental benefits.

It’s for these reasons that biochar’s potential to remove large amounts of greenhouse gases from the atmosphere deserves to be re-evaluated, said Raj Shrestha, lead author of the study and a research associate in horticulture and crop science at The Ohio State University.

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