Case studies of transitional justice in Democratic Republic of Congo (DRC) and Sierra Leone suggest that both peace and justice elements are necessary during transitional justice processes, both for sustainable development in the aftermath of conflict and for the creation of lasting peace.
Over the last 20 years, water quality modeling for international or transboundary river basin systems has become an increasingly important area of planning and management for sustainable development, as well as a basis for the evaluation of international treaty regimes that are established to implement sustainability agreements.