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 become a big climate problem. But it’s hard to suss out how effective proposed solutions are without metrics in place to compare ...
