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Extracted Content
Decarbonization The MR category equips projects to reduce embodied carbon across the supply chain using strategies like whole building life cycle assessments, analysis of environmental product declarations (EPDs) and jobsite emissions tracking ( MRc2: Reduce Embodied Carbon, MRp2: Quantify and Assess Embodied Carbon ). Reducing construction waste and promoting circularity lessens demand for virgin resources and extends material life, which also directly reduce embodied carbon emissions from the supply chain ( MRc5: Construction and Demolition Waste Diversion, MRp1: Planning for Zero Waste Operations ).
Embodied carbon could account for half of new construction’s carbon footprint by 2050. LEED v5 plans for a different outcome by rewarding manufacturing innovations that decarbonize new materials coupled with circular strategies that preserve resources and cut emissions.
Quality of life The MR category enhances indoor environmental quality by promoting low-emitting materials reducing occupant exposure to harmful chemicals ( MRc3: Low-Emitting Materials, MRc4: Building Product Selection and Procurement ). Improved air quality supports health, cognitive function, and overall well-being, benefiting building occupants. Upstream and downstream impacts from product manufacturing can also affect fence line communities, supply chain actors, and installers, making the selection of materials focused on green chemistry and ecological protections a priority ( MRc4: Building Product Selection and Procurement ).
Ecological conservation and restoration Prioritizing reuse and diverting waste from landfills decreases reliance on virgin material and reduces methane emissions, preserving natural resources and reducing environmental harm ( MRc5: Construction and Demolition Waste Diversion, MRp1: Planning for Zero Waste Operations ). When product manufacturing shifts to support a circular economy, improvements to ecological conservation and restoration can be significant ( MRc4: Building Product Selection and Procurement ).
Ultimately, LEED v5 empowers project teams to make practical, high-impact choices that cut embodied carbon emissions, improve health outcomes and advance a sustainable market — building a future where both people and the planet can thrive.
U.S. Green Building Council LEED v5 Reference Guide for Building Design and Construction, April 2025 Launch Edition 390