The publication of Peter Singer’s groundbreaking book Animal Liberation in 1975 catalyzed the modern animal advocacy movement. Singer popularized the term "speciesism"—a prejudice or bias in favor of the interests of members of one's own species and against those of members of other species. Singer argued that if an animal can suffer, its suffering must be given equal moral consideration to that of a human. Key Arenas of Advocacy and Contention
While often used interchangeably, animal welfare and animal rights represent distinct philosophical, legal, and practical frameworks. Animal Welfare
The use of animals in circuses, marine parks, rodeos, and the exotic pet trade faces severe public backlash.