Recommendation ITU-T L.1410 deals with environmental life cycle assessments (LCAs) of information and communication technology (ICT) goods,networks and services.It is organized in two parts:? Part I: ICT life cycle assessment: framework and guidance? Part II: "Comparative analysis between ICT and reference product system (Baseline scenario);framework and guidance".Part I deals with the life cycle assessment (LCA) methodology applied to ICT goods,networks and services.Part II deals with comparative analysis based on LCA results of an ICT goods, networks and services product system,and a reference product system.