Sources: National Ready Mixed Concrete Association, Alexandria, Va.; American Concrete Institute, Farmington Hills, Mich.; CMCM staff The American Concrete Institute Technical Activities Committee has established ACI 323, Committee on Low-Carbon Concrete Code. Charter members held a kickoff meeting during the Institute’s spring convention in San Francisco, preparing to abide a Read more…
Sources: Infrastructure Masons, Beaverton, Ore.; CMCM staff In their Greener Concrete for Data Centers open letter, iMasons Climate Accord leaders Amazon Web Services, Google, Meta Platforms and Microsoft implore their industry to work together to a) Deliver a technology roadmap to decarbonize concrete; b) Set standard carbon dioxide emissions measurement baselines Read more…
Sources: National Ready Mixed Concrete Association, Alexandria, Va.; United Nations Industrial Development Organization, Vienna; CMCM staff Officials of global or national cement, concrete and steel groups recently convened in Vienna for a United Nations Industrial Development Organization (UNIDO) workshop aimed at developing a harmonized guideline for Product Category Rules. PCR Read more…
Sources: Massachusetts Institute of Technology Concrete Sustainability Hub, Cambridge; CP staff The process by which cement-based products sequester carbon dioxide is key to understanding the life cycle impacts of the world’s most widely subscribed building material. In a three-point question & answer sequence, MIT Concrete Sustainability Hub Deputy Director Hessam Read more…
Sources: CarbonBuilt, Los Angeles; CMCM staff Arizona concrete masonry producer Block-Lite, plus partners CarbonBuilt and Aircapture, plan to develop the world’s first fully-integrated direct air capture (DAC)-to-concrete assembly. CarbonBuilt will install carbon dioxide curing and mineralizing equipment at the Flagstaff operation, tapping an array of modular Aircapture DAC devices engineered Read more…
Sources: ICPI-NCMA, Herndon, Va.; CMCM staff A new ASTM International paper presents results of an NCMA Education and Research Foundation investigation quantifying the amount and rate that machine-molded concrete products absorb and permanently lock up atmospheric carbon dioxide. “Conceptual Test Protocols for Measuring Carbon Sequestration of Manufactured Dry-Cast Concrete Products” Read more…
Sources: Heirloom Carbon Technologies, Brisbane, Calif.; CMCM staff Heirloom Carbon Technologies, northern California developer and operator of the premier Direct Air Capture (DAC) assembly in the U.S., teamed with CarbonCure Technologies and Central Concrete Supply Co. for a first in ready mixed concrete production: Permanent storage of DAC-derived atmospheric carbon Read more…
Sources: Office of New Jersey Governor Phil Murphy; CMCM staff A New Jersey law effective in 2024 will provide corporation business tax and gross income tax credits for costs of preparing Environmental Product Declarations that assess concrete mixes’ global warming potential, expressed on EPDs as kg of carbon dioxide equivalent Read more…
Sources: Federal Highway Administration; CMCM staff The Federal Highway Administration has opened registration for its next Every Day Counts Virtual Summit, with three or four daily sessions or roundtables focusing on Environmental Product Declarations and their role in transportation procurement policy (all times EST): Tuesday, February 14 • Buy Clean Policy 101, Read more…
Sources: U.S. Environmental Protection Agency; CMCM staff The Environmental Protection Agency will host three webinars to gather public and private construction stakeholder perspectives on procurement policy tied to carbon dioxide emissions accounting and reporting methods for specified materials or products: • Reducing Embodied Greenhouse Gas Emissions: Construction Materials Prioritization and Environmental Read more…