This was since Singapore and Ireland, if I don't forget properly, acquired so a number of/conflicting "interpretations". L’EMAS s’applique uniquement aux organismes opérant au sein de l’Union européenne, tandis qu’ISO 14001 s’applique partout dans le monde. Usually there are some con's. If you do not system very well, you could https://www.nathanisoconsulting.com/iso-50001-usa.htm