1 Subjects: “...cross-national case study...”

2 Subjects: “...national parks...”

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

4 “.... The United Nations Climate Change Panel has urged the consideration of the agricultural practices...”

5 “... of the National German research program 'BonaRes-Soil as a sustainable resource for the bioeconomy...”

6 “... in socio-economic dimension, urbanization etc.), in the urban space particularly in developing nations...”