This International Standard specifies the general framework, principles and requirements for conducting and reporting life cycle assessment studies. This International Standard does not describe the life cycle assessment technique in detail.
ISO 14040:1997 history
2020ISO 14040:2006/Amd 1:2020 Environmental management — Life cycle assessment — Principles and framework — Amendment 1
2006ISO 14040:2006 Environmental management - Life cycle assessment - Principles and framework
1997ISO 14040:1997 Environmental management - Life cycle assessment - Principles and framework