Abstract

ABSTRACT Over the last two decades, it has been repeatedly stated that biochar might sequester gigatons of carbon from the atmosphere, reduce greenhouse gases, reverse soil degradation, etc. Most of the submitted environmental, societal, and ethical arguments originated in laboratories and were based on pot experiments, small-scale field trials, and mathematical models. Huge amounts of public money were subsequently invested worldwide into efforts to achieve the outlined ambitious goals. In reality, however, the rise of biochar has failed to materialize anywhere. Doubts have therefore been raised about the feasibility of the vision for biochar. This article assesses the first results obtained from a commercial scale project in Central Europe. The success seems to be dependent on reduction of the biochar price.

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