A shot across the bows for life-cycle assessments

Conventional life-cycle assessments (LCAs) which disregard the environmental impacts of indirect activities of a product life-cycle may overlook the vast majority of releases to the environment, according to researchers at Carnegie Mellon University in the USA. They have criticised the LCA methodology championed by the Society of Environmental Toxicology and Chemistry (SETAC), and suggest that methods based on economic input-output models can give more complete comparisons between competing materials, processes or products.

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