10/01/2026
If you've ever driven through California's Central Valley, you've probably noticed the smell from industrial animal farms. But for the people who live near these facilities, it's not just a nuisance... it may be a health risk.
A new blog by EaRTH Center affiliate Saskia Comess, PhD shares findings from a study of 800,000 California births that found living near concentrated animal feeding operations (CAFOs) is associated with increased risk of preterm birth. Wind direction mattered too, suggesting airborne pollution is a key pathway — and the communities bearing the greatest exposure burden are among the most economically vulnerable. Read the full blog ⬇️
If you’ve ever driven along I-5 through the California Central Valley, you likely detected an acrid stench that permeates the air. The noxious odor comes from Concentrated Animal Feeding Operations (CAFOs), industrial-scale meat and dairy production facilities that confine large numbers of animals...