Read the full article by Abby Rabinowitz and Amanda Simson (Grist)
“On a hot morning in July, Ray Apy stood in a vacant lot in upstate New York and pointed to the mowed grass, explaining what he wanted to build there: a pilot plant to convert waste into something useful. He tipped the contents of a small glass jar into his cupped palm, revealing tiny black pellets the size of peppercorns.
The pellets were a substance called biochar. It’s created by heating organic matter — any substance originating from plants, animals, or other organisms — at high temperatures in the absence of oxygen. This turns it into a charcoal-like substance that can be sold as an additive to concrete or soil — and, crucially, locks carbon inside.”…