![](https://www.masstimberplus.com/wp-content/uploads/2020/05/iwbc_laminated_timber_high_rise.jpg)
Traditionally, building up necessitates the use of concrete and steel–materials which have enormous carbon footprints. Now, thanks to cross-laminated timber, building up could actually help to reduce pollution by sequestering carbon. Here’s a wonderful video by Jesse Nichols, associate video producer at Grist, which is a great introduction for the uninitiated.