Waste biomass created by forestry work, crop production and wildfire mitigation is often simply burned, releasing the carbon stored within. But what if we could stop that carbon from entering the atmosphere by burying the biomass instead? Michael Allen investigatesA tomb in a mineAnother carbon-removal company, however, claims it has hit this benchmark using biomass burial. “We’re selling our first credits at $100 per tonne,” says Hannah Murnen, chief technology officer at Graphyte – ...
