These arise when two or more processes, organizations, substances or other agents interact in such a way that the outcome is greater than the sum of their separate effects.
References
- UN Environment (2019). Global Environment Outlook – GEO-6 : Healthy Planet, Healthy People. Nairobi. DOI 10.1017/9781108627146.
GEO-1-6
These arise when two or more processes, organizations, substances or other agents interact in such a way that the outcome is greater than the sum of their separate effects.