The combination of three pie charts elucidates the survey from three distinct nations about the environmental problems concerned by people.
Considering from an overall perspective, the major impact is observed due to overpopulation, whereas the pollution is observed to be the least among three nations.
To begin with, in Zambia, the environmental problems occur due to waste disposal was about 14%, which is increased by 7% in Singapore. Surprisingly, 42% of waste disposal is seen at Cameroon. Moreover, 14% of effect on environment occurs due to pollution in Zambia, whereas in Singapore and Cameroon, the proportion remain relatively same at 16%.
Furthermore, due to global warming, in Zambia and Singapore, the environmental problem is noted, where the former accounts for 29% and the latter registers 26%. However, Cameroon has experienced the least impact due to global warming, where the proportion stands at 19%. Overpopulation is the major concerned for environmental problem in all three countries: Zambia, Singapore, and Cameroon, where the figure delineates proportion of 43%, 37% and 23%, respectively.
