Nations like the UK (Animal Welfare Sentience Bill 2022) and the EU (Lisbon Treaty) formally recognize animals as sentient beings.
Recent years have seen significant progress toward reducing reliance on animal testing. In the United Kingdom, the government launched its "Replacing animals in science" strategy in November 2025, which includes commitments to accelerate the development and regulatory acceptance of non-animal alternatives, including the creation of a UK Centre for the Validation of Alternative Methods. The European Medicines Agency has been consulting on the use of virtual control groups to help reduce animal use in medicines development, supporting EMA's commitment to the 3Rs principles. The European Union Commission has also issued a plan to phase out animal testing in chemical safety assessments, comprising twenty-two actions under three pillars to support faster development and use of non-animal approaches.
The evolution of animal welfare and rights reflects a broader human journey toward expanding our circle of empathy. While animal welfare seeks to reform existing systems to ensure humane treatment, animal rights challenges the structural foundations of how we view non-human life. Progress relies on a combination of stringent legislative enforcement, scientific innovation, and conscious consumer choices to foster a world where human advancement does not come at the cost of animal suffering. Nations like the UK (Animal Welfare Sentience Bill
The debate over human responsibilities toward animals is grounded in two major ethical frameworks.
Using fewer animals to obtain the same amount of data. The European Medicines Agency has been consulting on
The use of animals in circuses, marine parks, and rodeos faces intense scrutiny, leading many jurisdictions to ban wild animal acts. In the companion animal sector, issues range from unethical "puppy mills" and overpopulation to the legal classification of pets. Activists are increasingly pushing for the term "guardian" rather than "owner" to elevate the legal standing of pets. 4. The Scientific Turn: Animal Sentience
The legal status of animals has undergone significant evolution, though fundamental challenges remain. In most legal systems, animals are still classified as property—a status that shapes all other legal protections. Even today, most animal cruelty laws are enacted and prosecuted on the state level, with significant differences in standards and enforcement across jurisdictions. While animal welfare seeks to reform existing systems
Providing sufficient space, proper facilities, and company of the animal’s own kind.
The relationship between humans and companion animals—dogs, cats, and other domesticated species—reveals yet another dimension of the animal welfare landscape. Research increasingly recognizes the significant benefits of the human-animal bond for both human and animal health and wellbeing. Based on the mental, physical, and social benefits of this bond, some advocates argue that public policy should actively reduce obstacles to pet ownership, ensuring that individuals, institutions, and communities can foster and benefit from these relationships.