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New England Farmers Combat Climate Change With Biochar05:06
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The U.N. has recommended biochar, a form of charcoal, as a tool against climate change. Biochar is made from natural materials such as straw and shells, and it can sequester carbon.

Jon Kalish (@kalishjon) reports on New England entrepreneurs, farmers and gardeners turning to biochar to improve soil.

This segment aired on December 26, 2019.

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