生命周期评估 Life-cycle assessment
（重定向自Energy analysis）
生命周期评估（英文：Life Cycle Assessment,LCA；德文：Ökobilanz）系指分析评估一项产品从生产、使用到废弃或回收再利用等不同阶段所造成的环境冲击。这里所谓的环境冲击，包括能源使用、资源的耗用、污染排放等。
Energy analysis
中文百科
英语百科
Life-cycle assessment 生命周期评估
（重定向自Energy analysis）
Life-cycle assessment (LCA, also known as life-cycle analysis, ecobalance, and cradle-to-grave analysis) is a technique to assess environmental impacts associated with all the stages of a product's life from cradle to grave (i.e., from raw material extraction through materials processing, manufacture, distribution, use, repair and maintenance, and disposal or recycling). LCAs can help avoid a narrow outlook on environmental concerns by: