Animal law is a growing legal field that uses litigation, legislation, and policy advocacy to advance animal welfare — understanding these pathways helps advocates work more effectively.
Animal law offers one of the most powerful levers available for systemic welfare improvement — when legislation changes or litigation succeeds, welfare improvements apply across entire industries rather than only to individual consumers' choices. The field has achieved significant wins: California's Proposition 12 mandates minimum space for pigs, calves, and hens sold into the state; CITES restrictions limit trade in endangered species; and strategic litigation has challenged some of the most egregious welfare failures. Animal law is also a field that needs practitioners — lawyers, policy advocates, and scientists who can work within legal systems to advance animal interests. Supporting animal law organizations and engaging with legislative processes are among the most impactful welfare advocacy activities available.