Coal was the main source for factories and the resulting smog had major health impacts on the residents in the urban area. The harmful pollutants from factories mixed with air, suffocated many people, while killing other thousands. One such incident occurred in Donora, Pennsylvania, where more than seven thousand people were killed as a result of air pollution. “The level of air pollution depends on a country’s technology and pollution control, particularly in energy production. Using cleaner fossil fuels (such as
Coal was the main source for factories and the resulting smog had major health impacts on the residents in the urban area. The harmful pollutants from factories mixed with air, suffocated many people, while killing other thousands. One such incident occurred in Donora, Pennsylvania, where more than seven thousand people were killed as a result of air pollution. “The level of air pollution depends on a country’s technology and pollution control, particularly in energy production. Using cleaner fossil fuels (such as