The Living Building Challenge Materials Petal is intended to induce a successful materials economy that is non-toxic, transparent and socially equitable. In this workshop, participants will gain an understanding of how to meet the material-related Imperatives of the Living Building Challenge: I-10 Red List, I-11 Embodied Carbon Footprint, I-12 Responsible Industry, I-13 Living Economy Sourcing, and I-14 Net Positive Waste as well as introduce and explain the Declare Program. The workshop will highlight successful examples of leading edge projects from around the globe - identifying innovative products and stories of how projects have been successful in changing the materials marketplace. This workshop is appropriate for anyone working in the building industry.