The Biden administration wants to find more sustainable construction materials

Steel in a scrapyard to be recycled into new steel.  | Photo by Roger Ball/Worldsteel via Getty Images The Biden administration announced $160 million in grants to projects meant to measure the climate impact of new-fangled construction materials. The grants cover a spectrum of potential alternatives from hemp-based products to bamboo, recycled steel, and more.
Scientists and startups have proposed all sorts of new ways to cut down carbon dioxide emissions from building materials that have