The charts shows air pollution levels by different causes among four countries in 2021. Summaries the information by selecting and reporting the main features, and make comparisons where relevant.

The graph given shows the level of air pollution in four different countries (China, America, Japan, and Australia), caused by various factors in 2021. Overall, China shows the highest air pollution level among the four countries. First of all, electricity generation contributed the least to air contamination in China and Japan. Conversely, electricity generation has […]