1 Subjects: “...national power system...”

2 “... that they are treated as a national priority by many countries; several international commissions have been established...”

3 “... to be a common cause of public complaints by residents to local authorities, regional, or national...”

4 “..., from the individual citizen to large multinationals, passing through SMEs; national and international...”

5 “... strategic priority at local, national, European, and global levels. This Special Issue will pay attention...”