The pie charts depict the survey results of Zambia,Singapore, and Cameroon.All three countries are undergone concerned of environmental problems.
Overall, while Zambia and Singapore is higher at overpopulation than any other problems, the most problem of Cameroon is in waste disposal.
Zambia the highest at overpopulation and second highest is global warming making for 43% and 29% of total problems respectively. The proportion of concerning in at waste disposal time and pollution are the same time both at 14%.Overpopulation and global warming also account for the largest and the second largest proportion of Singapore respectively 37%and 26%.However the greatest proportional is waste disposal that at pollution at 21% and 16% respectively.
Compared with this two countries, Cameroon has relatevely low concern at overpopulation,at 23%. It is waste disposal that are greatest problem of Cameroon,at 42%. However, despite the other problems, it is also produce least at pollution, at only 16%
