The global shift toward plant-based and alternative proteins represents the single largest opportunity to reduce farm animal suffering, with the scale of change required involving both individual and system-level transitions.
The protein transition represents the most impactful welfare opportunity available at global scale. Animal farming causes more welfare suffering per calorie produced than plant agriculture by orders of magnitude. Reducing demand for animal products - particularly from factory farming - directly reduces the number of animals experiencing poor welfare. Individual dietary shifts matter but cannot alone drive the systemic change needed. Policy support including public sector food standards, agricultural subsidy reform, and investment in alternative protein infrastructure can accelerate the transition beyond what consumer choice achieves. Effective altruist analysis consistently identifies diet change advocacy as among the highest-impact welfare interventions.