Fast urbanization has led to significant extraction of material resources, which end up stocked for a long time in the built environment. The circular economy (CE) approach is gaining increased attention in the sustainability agenda for its framework focused on decoupling economic growth from the consumption of finite resources. This paradigm shift towards a circular, resource-efficient economy requires a comprehensive knowledge of the flows and material stocks (MS) in buildings and infrastructure. Studies often are restricted to building infrastructure, despite the qualitative relevance of roads. Roads are a significant driver behind the demand for low-value reuse of construction & demolition waste (CDW) with direct effects over the overall supply and demand of secondary resources.
Author: Anthony Meijer
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