Materials & Resources
What Is Embodied Carbon? Buildings & LEED [2026]
What is embodied carbon? The emissions built into materials and construction explained: vs operational carbon, how it's calculated, reduced, and LEED's rules.
Life Cycle Assessment (LCA): Buildings Guide [2026]
Life cycle assessment explained for buildings: the stages and scopes, the four ISO phases, whole-building LCA, LCA vs EPD, and the role LEED v5 gives it.
Environmental Product Declaration (EPD) Guide [2026]
The environmental product declaration (EPD) explained: the LCA-based impact report, how one is made and verified, EPD vs LCA vs HPD, and the LEED connection.
Health Product Declaration (HPD) Explained [2026]
The health product declaration (HPD) explained: what the ingredient-disclosure report shows, the Open Standard behind it, HPD vs Declare vs EPD, and LEED.
Declare Label & the Red List Explained [2026]
The Declare label explained: the nutrition label for building products, the Red List of worst-in-class chemicals, the three statuses, and the LEED connection.