Sebo, along with philosophers Kristin Andrews and Jonathan Birch, initiated the New York Declaration on Animal Consciousness. Released in April 2024, it has been signed by more than 500 scientists and researchers worldwide. The same trio recently co-authored an essay in Science arguing that when animals perform behaviors similar to those that are explained by conscious experience in humans, such as joy, suffering and other emotions, that can begin to suggest animals’ conscious experience, too.