1 Subjects: “...national security...”

2 Subjects: “...National Centers for Environmental Information...”

3 Subjects: “...national parks...”

4 Subjects: “...Chinese national scenic areas...”

5 Subjects: “...national ambient air quality standards...”

6 Subjects: “...national system of innovation...”

7 Subjects: “...national sustainable development plans...”

8 Subjects: “...national and global efforts...”

9 Subjects: “...national health insurance...”

10 “... published by MDPI on the topic. It highlights the most recent internationally/nationally funded projects...”

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

12 “... that can be implemented in national, regional or even local energy systems at different implementation...”

13 “... governance approaches across scales from local to national and international. The cross-cutting, thematic...”