1 Subjects: “...circular economy...”

2 Subjects: “...Political economy...”

3 Subjects: “...economic appraisal...”

4 Subjects: “...circular economy...”

5 Subjects: “...plantation economy...”

6 Subjects: “...circular economy...”

7 Subjects: “..., art and politics, European trade, West African trade, American maritime trade, world economy...”

8 Subjects: “...economic value...”

9 Subjects: “...circular economy...”

10 Subjects: “...circular economy...”

11 Subjects: “...low-carbon economy...”

12 Subjects: “...economic sustainability...”

13 Subjects: “...Environmental economics / bicssc...”

14 Subjects: “...economic valuation...”

15 “... the concept of circular economy, thus partially mitigating the impacts of climate change. Using solar energy...”

16 “... into the transformation and reconstruction of human society and economy. Rural land use in China is undergoing rapid...”

17 “..., economy, and sociology), as well as those incorporating other knowledge systems (e.g., local...”