Welfare Science

Animal Welfare and Climate Change: Intersecting Crises

Climate change is creating welfare crises across the animal kingdom. Understanding the connections helps advocates address both challenges simultaneously.

Key Facts

Welfare Considerations

Climate change is the largest emerging driver of animal welfare harm globally. Its effects operate across multiple scales: direct thermal harm from heat stress, indirect harm through habitat loss and food web disruption, and acute harm from intensifying extreme events (wildfires, floods, storms). Wild animals experience these changes without any mechanism of adaptation other than evolutionary selection — which operates far too slowly for the pace of current climate change. Livestock experience heat stress that is intensifying year by year. Marine animals face acidification, warming, and deoxygenation simultaneously. The welfare implications of failing to address climate change are enormous. Addressing climate change is therefore one of the highest-leverage actions available for improving animal welfare — alongside being important for human welfare and ecological integrity.

What You Can Do