What strategy should a team take in order to use tropical wood in their LEED registered project?

The LEED rating systems, including LEED for Homes, require that wood products be certified by the Forest Stewardship Council (FSC) to be considered sustainably sourced. This is particularly critical for tropical woods, which are often at high risk of being harvested from endangered forests or through illegal logging. FSC certification provides third-party verification that the wood originates from a forest managed in an environmentally appropriate, socially beneficial, and economically viable manner. Therefore, using FSC-certified tropical wood is the prescribed strategy for compliance with the relevant Materials and Resources (MR) credits.

B: LEED does not issue a blanket prohibition on tropical wood; instead, it mandates verification of sustainable harvesting practices through certification. C: Using non-certified wood, regardless of its regional origin, fails to meet the sustainable sourcing requirements outlined in the LEED MR credits. D: A Life-Cycle Assessment (LCA) is a tool for evaluating the environmental impacts of a whole product or building, not the specified compliance path for verifying sustainable forestry for a single raw material like wood.

1. U.S. Green Building Council. (2015). LEED v4 for Homes Design and Construction Reference Guide.

Page 288, MR Credit 2.1: Environmentally Preferable Products: This section explicitly lists "FSC Certified (100%, Mix Credit, or Mix NN%) wood" as a product that qualifies for points under this credit. This is the primary pathway for using any wood product, including tropical species, in a LEED for Homes project.

2. U.S. Green Building Council. (2020). LEED v4.1 Building Design and Construction Reference Guide.

MR Credit: Building Product Disclosure and Optimization – Sourcing of Raw Materials, Option 2: Leadership Extraction Practices: This credit, which shares its principles with the Homes rating system, states, "Wood products. Wood products must be certified by the Forest Stewardship Council or USGBC-approved equivalent." This reinforces FSC as the standard for all wood.

3. Howe, J. L., et al. (2013). Green building rating systems and the use of wood: A review of the major systems and their credit structures. Forest Products Journal, 63(3-4), 89-101.

Section: "Leadership in Energy and Environmental Design (LEED)" (pp. 91-93): This academic review details how the LEED rating system awards points for wood products. It confirms that "LEED awards points for using wood from forests certified by the Forest Stewardship Council (FSC)... No other forest certification standards are recognized by LEED." This applies to all wood species, including tropical ones. (https://doi.org/10.13073/FPJ-D-13-00008)