The air pollution data was collected by the Environmental Protection Agency for regulatory purposes. Weather data was collected from the National Climatic Data Center, and the mortality data is from the National Center for Health Statistics.
The air pollution data was collected by the Environmental Protection Agency for regulatory purposes. Weather data was collected from the National Climatic Data Center, and the mortality data is from the National Center for Health Statistics.
© 2020 Inspirational Stories
© 2020 Inspirational Stories