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Last edited 12 Oct 2019
Life cycle in the built environment
In terms of the built environment, ‘life cycle’ refers to a product, building or service over the course of its whole life. For example, relation to a building, this would include its design, construction, operation, and disposal. Considering the life full cycle of a building can help ensure that all aspects are properly considered, rather than just the cost of construction.
Life Cycle Assessment (LCA) is a method for evaluating the environmental load of processes and products during their life cycle. An LCA attempts to identify the environmental effects during all stages of its life and produces a figure (or several figures) that represent the total environmental load. In a full LCA, the energy and materials used, along with waste and pollutants produced as a consequence of a product or activity are quantified.
The term ‘cradle-to-grave’ is an approach for defining the boundaries of an embodied energy assessment which involves measuring or estimating the total energy consumed through the entire life cycle of a building or product.
 Related articles on Designing Buildings Wiki
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