What to know about wooden high-rises and ‘mass timber’ buildings

A material that’s been around since people built shelters—wood—is increasingly being proposed for low- and mid-rise buildings. Companies behind these “mass timber” projects say that wood is a lower-carbon alternative to steel or concrete and brings other benefits, such as faster construction time and lower cost than concrete and steel. Advocates say the wood materials, made of compressed layers of wood with glue, offer good fire safety as well. As an economist who studies...