Why the Country’s Largest Homebuilder Is Swapping Out Some Wood for Grass

Tamer Fund for Social Ventures portfolio member Plantd, founded by Josh Dorfman, Ian Harsey, Nathan Silvernail, and Huade Tan, ’13SEAS, makes carbon-negative building panels from grass. D.R. Horton, the country’s largest homebuilder, just ordered 10 million panels, which is roughly enough to build 90,000 homes.