The manure generated by thousands of cows or pigs doesn’t just stink — it may seriously affect human health.
New research examining two decades’ worth of livestock production data finds a positive relationship between increased production at industrial farms and infant death rates in the counties where the farms reside. The study reported in the February American Journal of Agricultural Economics implicates air pollution and suggests that Clean Air Act regulations need to be revamped to address livestock production of noxious gases.
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