Introduction
Air Quality Issues and Animal Agriculture is a significant topic with respect to air pollutant emissions as well as greenhouse gas production that contribute to atmospheric radiative forcing. The present article is a USA-centric treatment of regulatory status of agricultural regulation, chiefly through the vantage point of the U.S. Environmental Protection Agency. Worldwide animal agriculture contributes massive air pollution emissions, with one of the most significant pollutants being methane. Methane is emitted in large quantities from livestock grazing activities, and this gas is not only an air pollutant, but has greenhouse gas potency much higher than carbon dioxide. Animal agriculture is coming under increasing scrutiny worldwide, because the quantites of methane and other air pollutants has been expanding rapidly in the prior decades due to demand from the worldwide human population explosion, and especially practices of overgrazing, in which more animals are allowed to graze a given area than can be sustainably managed.
Introduction
Air Quality Issues and Animal Agriculture is a significant topic with respect to air pollutant emissions as well as greenhouse gas production that contribute to atmospheric radiative forcing. The present article is a USA-centric treatment of regulatory status of agricultural regulation, chiefly through the vantage point of the U.S. Environmental Protection Agency. Worldwide animal agriculture contributes massive air pollution emissions, with one of the most significant pollutants being methane. Methane is emitted in large quantities from livestock grazing activities, and this gas is not only an air pollutant, but has greenhouse gas potency much higher than carbon dioxide. Animal agriculture is coming under increasing scrutiny worldwide, because the quantites of methane and other air pollutants has been expanding rapidly in the prior decades due to demand from the worldwide human population explosion, and especially practices of overgrazing, in which more animals are allowed to graze a given area than can be sustainably managed.
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