The bar chart compares the percentage of survey results for which environmental problems people in 3 countries are most concerned about.
It is clear that the percentage of pollution, waste disposal increased. While there was a decreased in the percentage of global warming, over population in the different countries.
In zambia, 14% pollution environmental problems and that percentage increased slightly to 16%. After that, there was a moderate increase in the percentage of waste disposal from 14% to 42%, a rise of 26%. People saw an increased in the percentage of environmental problems in the countries.
Between zambia and cameroon, the percentage of global warming environmental problems decreased moderately to 29% from 19%, afall around 10%. However, there was a significant drop in environmental problems for over population 43% to 23% in the same country.
