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The Road to Decarbonization: Unlocking State DOT Concrete Specifications

Introduction In recent years, state Departments of Transportation (DOTs) across the United States have made progress to reduce the embodied carbon impact of concrete construction by deploying high-performance concrete mixes that reduce the most emissions-intensive component of concrete — ordinary portland cement (OPC). Supplementary cementitious materials (SCMs), such as slag…

densely packed buildings

Clean Energy 101: Passive Daytime Radiative Cooling — or Really Cool Roofs

This article originally appeared in its unabridged form on third-derivative.org  This year’s scorching northern hemisphere may be in the past, but, we cannot let it recede from view. With every possibility that the summer of 2024 — and each summer beyond that — will be worse,…