‘Our choice of building materials defines our commitment to low carbon construction,’ says Martha Lewis, an advocate for green change in the Danish building industry. Drawing on The Construction Material Pyramid and the Henning Larsen Carbon Catalog, both offering an overview of CO2 impacts, Martha will share top tips on the selection of building materials in the age of planetary crisis. For example, status on the Danish digital material pass, and why the industry needs it to navigate health and environmental challenges.