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LEED v5 – What’s next for existing buildings
BUILDING GREEN
The U.S. Green Building Council first launched LEED for Existing Buildings (abbreviated EBOM or O+M) in 2004. This rating system has always required that certified buildings meet a minimum Energy Star score or other performance benchmark to even participate. In v4, that minimum ratcheted up, controversially, to 75—meaning that, by definition, only a quarter of buildings could get a plaque. (Energy Star gives percentile scores, so a 75 means you perform better than 75% of other buildings of the same type in the underlying database.) LEED O+M v5 will target poor performers, not just overachievers. Furthermore, the shift in existing building decarbonization under LEED v5 could be a complete 180 from what happened in v4. Read more.
Concrete carbon uptake calculator
MIT CONCRETE SUSTAINABILITY HUB
MIT CSHub has developed a state-of-the-art, material- and facility-specific calculator for use-phase and end-of-life carbon uptake in concrete. The free, open-source, CSHub Whole Life Cycle Carbon Uptake Tool (C-UP) estimates carbon uptake through inputs like concrete mixture, location and exposure characteristics, and stockpiling conditions. This peer-reviewed tool has been used by multiple architectural and consulting firms, producers, and LCA database developers. Read more
ASHRAE announces 2023 Decarbonization Conference for the Built Environment
ASHRAE
ASHRAE announced the 2023 Decarbonization Conference for the Built Environment, an industry-wide conference that will address all aspects of design, construction, commissioning, and operation of the built environment. The conference will be held October 25-27, 2023, in Washington, D.C. The conference will focus on educating attendees on methods to decrease carbon emissions, both embodied and operational, in order to reduce the impact of buildings on the climate crisis. The conference program will address current and future governmental policies and regulations for which engineers, architects, owners, and operators need to be aware of to address environmentally-responsible building requirements. For updates on the conference visit the conference website.
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