1 Subjects: “...population...”

2 Subjects: “...population growth...”

3 Subjects: “...vulnerable populations...”

4 Subjects: “...dual-population evolution mechanism...”

5 Subjects: “...population exposure to air pollutant...”

6 Subjects: “...finite population...”

7 Subjects: “...Spatial and population change...”

8 “... estimates that 12% of the world's population is linked to one of the 3 million cooperatives that exist...”