Before revision:  Policy makers need to be aware of a subtle, but decisive difference between the actual and the commonly implied meanings of SCC that substantially limits its applicability as compared to the current practice .
After revision:  Policy makers need to be aware of a subtle, but decisive difference between the actual and the commonly implied meanings of SCC that substantially limits its applicability in practice. The presented results call for a critical revision of the SCC concept and the SCC calculation methods in integrated assessment models .