Biochar: Too good to be true?

Read the full post by Marc Gunther.

Would you like to curb or even reverse global warming? Help feed the world? Generate renewable energy?

Biochar is the answer, say its most fervent advocates.

If only life were so simple.

Biochar, alas, isn’t ready yet to be a meaningful solution to the climate crisis, or a way to enhance agricultural productivity at scale. But it’s an intriguing substance that has been around for thousands of years, and the production of biochar may prove to be one of the  technologies that governments and business deploy to deal with the threat of climate change. As, potentially, a carbon negative technology, it’s worth a look.

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