Life Cycle Assessment (LCA) — IT Glossary | ITU Online IT Training
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Life Cycle Assessment (LCA)

Commonly used in Sustainability, IT Management

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Life Cycle Assessment (LCA) is a systematic method used to evaluate the environmental impacts associated with all stages of a product's life, from raw material extraction to disposal or recycling. It provides a comprehensive view of the environmental footprint of a product or process, helping organisations identify areas for improvement and sustainability.

How It Works

Life Cycle Assessment involves collecting data on energy consumption, resource use, emissions, and waste generated at each stage of a product’s life cycle. This includes raw material extraction, processing, manufacturing, distribution, use, maintenance, and end-of-life disposal or recycling. The process uses established standards and methodologies to quantify impacts such as greenhouse gas emissions, water use, and ecological effects, often expressed through impact categories like global warming potential or resource depletion.

The assessment typically involves four main phases: goal and scope definition, inventory analysis, impact assessment, and interpretation. During goal and scope definition, the purpose and boundaries of the study are established. Inventory analysis involves data collection and calculation of environmental inputs and outputs. Impact assessment evaluates the significance of potential environmental impacts, and interpretation summarises findings to inform decision-making.

Common Use Cases

  • Evaluating the environmental footprint of a new product design before launch.
  • Comparing the sustainability of different manufacturing processes.
  • Identifying key stages in a product’s life cycle that contribute most to environmental impacts.
  • Supporting corporate sustainability reporting and compliance with environmental regulations.
  • Assessing the environmental benefits of recycling or reuse strategies.

Why It Matters

Life Cycle Assessment is an essential tool for professionals aiming to improve environmental sustainability and reduce ecological impacts. It helps organisations make informed decisions about product development, resource management, and waste reduction by providing a clear picture of environmental trade-offs across the entire life cycle. For certification candidates and practitioners, understanding LCA is crucial for roles involved in environmental management, sustainable design, and corporate responsibility. Mastery of LCA principles enables organisations to meet regulatory requirements, enhance brand reputation, and contribute to global sustainability goals.

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