The three pie charts about information the survey results for how many environmental problems people in three different countries like, Zambia, Singapore and Cameroon are most warried about it.
Overall, at the beginning of the period, highest environment problem are the overpopulation in Zambia and Singapore. However, the pollution is the lowest in Zambia.
According to the pie chart, overpopulation survey result at about 43% in Zambia, while at about 37% in Singapore and nature problem about at 23% in Cameroon. However, environment issuse result in pollution is the at about 14% in Zambia and simillar to both countries.
The global warming survey result for at about 29% in Zambia, whereas environment problems people in at about 26% in Singapore and Cameroon at 7% are decrease in the time of period. Thw lowest problem in Zambia while, Waste disposal in enviornment difficulty are both countries to steadly increase at about 21% to 42%.