2021DIN EN ISO 14040:2021 Environmental management - Life cycle assessment - Principles and framework (ISO 14040:2006 + Amd 1:2020); German version EN ISO 14040:2006 + A1:2020
2018DIN EN ISO 14044:2018 Environmental management - Life cycle assessment - Requirements and guidelines (ISO 14044:2006 + Amd 1:2017); German version EN ISO 14044:2006 + A1:2018
2006DIN EN ISO 14044:2006 Environmental management - Life cycle assessment - Requirements and guidelines (ISO 14044:2006); German and English version EN ISO 14044:2006
1997DIN EN ISO 14040:1997 Environmental management — Life cycle assessment — Principles and framework