Human civilization relies on the use of resources to fuel the multitude of socioeconomic activities satisfying human needs and well-being such as food, shelter, transportation, and communication. Industrialization and urbanization in the past centuries have been transforming vast amounts of raw materials from the biosphere and lithosphere to the anthroposphere in the form of buildings, infrastructure, and consumer goods. Such a continuing use of raw materials has raised concerns on both growing resource scarcity and supply constraint and increasing environmental challenges (e.g., waste boom and climate change) associated with materials production and consumption. Addressing these issues would therefore require a system understanding of the patterns, drivers, and implications of materials extraction, use, accumulation, and end-of-life management throughout our socioeconomic systems; and we call these systems approaches for complex problems “sociometabolic analytics”. The past two decades have witnessed an increasing amount of effort with such a sociometabolic perspective for mapping and informing societal circular, low carbon, and just transition in the emerging field of industrial ecology. In this talk, I will briefly introduce the use of sociometabolic analytics for understanding the nexus between material, energy, and emission systems and thus informing circular economy and carbon neutrality policy, with empirical cases on agrifood systems, metal cycles, and construction materials use at various geographical scales.
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