Washington HB1458 mandates a 30% reduction in embodied carbon emissions for new buildings and renovations over 50,000 square feet.

Washington HB1458 establishes standards for reducing embodied carbon emissions in buildings and building materials. The bill requires a 30% reduction in embodied carbon emissions for new construction, additions, and renovations over 50,000 square feet. It mandates the use of project-specific material quantities and product and facility-specific environmental product declarations to demonstrate compliance. The state building code council must adopt rules to define covered products, determine how 90% of covered products will be calculated, and establish how industry average will be determined.

Washington HB1458 mandates a 30% reduction in embodied carbon emissions for new buildings and renovations over 50,000 square feet.

Washington HB1458 establishes standards for reducing embodied carbon emissions in buildings and building materials. The bill requires a 30% reduction in embodied carbon emissions for new construction, additions, and renovations over 50,000 square feet. It mandates the use of project-specific material quantities and product and facility-specific environmental product declarations to demonstrate compliance. The state building code council must adopt rules to define covered products, determine how 90% of covered products will be calculated, and establish how industry average will be determined.