Life Cycle Assessment (LCA)
A methodology for evaluating the total environmental impact of a product across its entire life, from raw material extraction through production, use, and end of life.
Definition
Life Cycle Assessment (LCA) is a scientific methodology used to quantify the environmental impacts of a product or process across its entire life cycle: raw material extraction, manufacturing, transportation, use, and end-of-life disposal or recovery. In fashion, LCA is used to compare the environmental footprint of different materials (e.g., organic cotton vs. conventional cotton vs. recycled polyester), production processes, and end-of-life pathways. LCA results inform material choices, product design decisions, carbon accounting, and sustainability communications. The EU Ecodesign for Sustainable Products Regulation (ESPR) is increasing demand for LCA expertise within fashion brands, as digital product passports will require life cycle data.
Frequently asked questions
What is a life cycle assessment in fashion?
A life cycle assessment (LCA) in fashion measures the total environmental impact of a garment from 'cradle to grave', starting with growing or extracting the raw materials, through spinning, weaving, dyeing, cutting, sewing, transport, consumer use (including washing), and finally disposal or recycling. LCA results are expressed in indicators such as global warming potential (carbon footprint), water use, energy consumption, and land use, allowing brands to identify where in the supply chain the biggest impacts occur.
What jobs involve life cycle assessment in fashion?
LCA skills are relevant for Sustainability Managers, Materials Innovation Specialists, Environmental Data Analysts, and Product Compliance roles. As EU regulations require more detailed environmental data on products, demand for professionals with LCA expertise, including knowledge of tools like SimaPro, GaBi, and the Higg Materials Sustainability Index, is increasing significantly within fashion brands and sustainability consultancies.
Is LCA the same as a carbon footprint calculation?
A carbon footprint calculation is one output of a life cycle assessment, but LCA covers a much broader range of environmental impacts including water scarcity, eutrophication, land use, toxicity, and resource depletion. A full LCA gives a more complete picture of a product's environmental performance than a carbon footprint alone, though it is also more complex and resource-intensive to conduct.
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