Carbon footprint 1 Decision support systems 1 Degree of decentralization Environmental indicators 1 Environmental technology 1 Facility location 1 Facility locations 1 Multi-objective optimization 1 Multi-objective optimization models 1 Multiobjective optimization 1 Natural water resources 1 Optimization algorithms 1 Population distribution 1 Population dynamics 1 Population statistics 1 Supply chains 1 Sustainability assessment 1 Sustainable development 1 Waste water systems 1 Wastewater reclamation 1 Wastewater system management 1 Water conservation 1 Water reclamation 1 Water resources 1 Water supply 1