A Spanish court ruling on pollution from industrial pig farming could have far-reaching implications for how animals are kept across Europe. He said much of the pig waste has been dumped without proper precautions. Why locals took the fight against pig waste to courtThe case used evidence from the wider Lima River basin but centered around the town of As Conchas and its large reservoir. Residents won recognition that their fundamental human rights under Spanish and European law had been violated. Even if it doesn't go all the way to Europe, the Spanish ruling could provide a blueprint for other claimants.