The effective altruism movement has directed significant funding and talent toward animal welfare, creating new organizations and research that have meaningfully shifted the field.
The application of effective altruism principles to animal welfare has been one of the most significant developments in the field in the past decade. By focusing on scale, neglectedness, and tractability, EA has directed funding and talent toward farmed and aquatic animal welfare — areas affecting far more individual animals than companion animal welfare receives. This has created organizations that would not otherwise exist and generated research that is changing policy and industry practice globally.