1 Subjects: “...carbon sink...”

2 Subjects: “...carbon emissions...”

3 Subjects: “...carbon budgets...”

4 Subjects: “...carbon stock...”

5 Subjects: “...microbial carbon use efficiency...”

6 Subjects: “...carbon credit...”

7 Subjects: “...carbon flow...”

8 Subjects: “...carbon footprint...”

9 Subjects: “...Bern Carbon Cycle model...”