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Joint Sustainability Committee update: low-carbon concrete pilot lessons and urban-forest goals presented to commission
Summary
Commissioners heard a Joint Sustainability Committee briefing on Portland’s low-carbon concrete program and an Austin Urban Forest overview, including canopy targets, tree counts and funding sources.
The Water and Wastewater Commission on Jan. 15 received an update from the Joint Sustainability Committee (JSC) on low-carbon concrete pilot programs and Austin’s urban-forest planning.
The JSC presentation reviewed Portland, Oregon’s experience launching a low-carbon concrete program. Commissioners were told Portland’s pilots showed embodied-carbon reductions of roughly 23%–50% compared with a 100% cement mix in pilot projects, but that achieving consistent low-carbon mixes requires supplier engagement and testing because admixtures and mix designs vary among regional concrete producers.
Commissioners also heard from Emily…
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