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Mair Allen

Mair Allen

2 posts

A man adds buckthorn brush to a lit biochar kiln as another man watches in the background. They are standing in a wooded area in a regional park.
Environment

How a Minnesota nonprofit makes biochar

Project Optimist tagged along with nonprofit Great River Greening during a biochar demonstration on March 17. Here's how it works.

Illustration of a cartoon man adding branches to a burning biochar kiln.
Environment

Burn brush and store carbon: How biochar works, falters as a potential climate solution

Even though the benefits of biochar for carbon sequestration are widely recognized, there are challenges to implement its use at scale.

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