The Investigation of Legislations in the World about Air Pollutants from Animal Barns

The inverse effects of animal feeding operations on environment are increase due to increases in capacity and rearing system used in barns. developed and developing countries aimed to reduce these negative effects of animal barns on environment by adding animal feeding operations to their air quality protection regulations. the gas and particulate matter emissions from animal barns have reduced by setting up various rules in these air quality protection regulations. the regulations applied in united states of america and european union countries was looked at and rules for producer were explained in this study.