This Recommendation specifies:

• the structure of the ITU-T L.1400-series of Recommendations, methodology of environmental impact assessment of ICT;

• general principles of methodology among Recommendations regarding the environmental impact assessment of ICT;

• mention of relevant methodologies in other SDOs;

• presentation of each Recommendation from the future ITU-T L.1400-series Recommendations on methodology.

This Recommendation refers to documents that are being considered for preparation in the area of general principles of methodologies for assessing the environmental impact of ICTs. The specific designation of these documents (marked by *) will be indicated once approved for publication.