According to the Institute of Health Metrics and Evaluation AND The Lancet Commission on Pollution and Health the sources are air, water, soil, chemical or occupational. Following ... moreAccording to the Institute of Health Metrics and Evaluation AND The Lancet Commission on Pollution and Health the sources are air, water, soil, chemical or occupational. Following is the breakdown:6.5 million due to air pollution1.8 million due to water pollution .8 million due to workplace pollution