Progressing upward from the lowest levels (as of a stratified organization or system).
References
- Merriam-Webster Dictionary - UN Environment (2019). Global Environment Outlook – GEO-6 : Healthy Planet, Healthy People. Nairobi. DOI 10.1017/9781108627146.
GEO-1-6
Progressing upward from the lowest levels (as of a stratified organization or system).