1 Subjects: “...stakeholder theory...”

2 Subjects: “...ecological emotions...”

3 Subjects: “...ecological modernization...”

4 Subjects: “...ecological niche theory...”

5 Subjects: “...Ecological science, the Biosphere / bicssc...”

6 Subjects: “...production-living-ecological (PLE) functions...”

7 Subjects: “...industrial ecology...”

8 Subjects: “...ecology...”

9 Subjects: “...ecological fuels...”

10 Subjects: “...ecology...”

11 Subjects: “...social-ecological indicators...”

12 Subjects: “...restoration ecology...”

13 Subjects: “...ecological cumulative effect...”

14 Subjects: “...human health, human-nature connection theory...”

15 Subjects: “...long-wave theory...”