International nonprofit ending the abuse of animals raised for food.

The Humane League (THL) is a global animal protection nonprofit that exists to end the abuse of animals raised for food. Through corporate negotiations, grassroots activism, and policy work, they drive meaningful change across the food industry that reduces the suffering of billions of farmed animals. Their evidence-based approach and dedication to institutional and individual change have made them one of the most effective animal protection organizations worldwide.

**Corporate Impact** The Humane League's corporate negotiations and pressure campaigns have transformed the food industry's treatment of animals. Alongside their partner organizations, THL has fought for—and secured—over [3,000 commitments](https://thehumaneleague.org/article/owa-3000-commitments?utm_medium=blog&ms=c_blog) from companies to spare chickens from abuse. This includes over [2,600](https://chickenwatch.org/progress-tracker/) cage-free welfare commitments and over [625](https://chickenwatch.org/progress-tracker/) broiler welfare commitments by restaurants, bakeries, supermarkets, drugstores, and other foodservice and hospitality businesses. Of these cage-free commitments with a deadline of 2024 or earlier, [92%](https://openwingalliance.org/2025-cage-free-fulfillment-report) have been successfully fulfilled. And, in the US, THL’s work has helped increase cage-free production since 2015. As of 2025, over 45% of the US egg-laying flock is cage-free vs. only 5% when THL started conducting cage-free campaigns in 2015. That 40% difference accounts for an estimated 120 million egg-laying hens per year in the US who will never face life in a cage.

**Global Movement Building** The Humane League founded and leads the [Open Wing Alliance](https://www.openwingalliance.org) (OWA), a global coalition of 90+ animal protection organizations across six continents. The power of the OWA is changing the way the world’s biggest companies treat animals and setting a new standard for corporate animal welfare policies locally—in every major market—and globally. 

**Policy & Legislative Change** Through the [Animal Policy Alliance](https://animalpolicyalliance.org/) (APA), The Humane League works to enact meaningful change for animals through legislation and policy. The APA organizes and empowers an alliance of 30+ local and state-level animal advocacy groups across the US to create relationships with legislators and advocate for policies that benefit animals.

**Evidence-Based Approach** The Humane League grounds all work in research and evidence to maximize effectiveness. Their strategic focus on institutional change creates scalable improvements for the largest number of animals possible, while building momentum for continued progress. Through corporate negotiations, strategic activism, policy advocacy, and movement building, they're creating transformative change for animals in the food system.

The Humane League

Exists to end the greatest cause of suffering on the planet: the exploitation of animals for food.

Mercy For Animals exists to end the greatest cause of suffering on the planet: the exploitation of animals for food.

Mercy For Animals

Animal Charity Evaluators helps people help the most animals.

Do you want to help animals but find it hard to decide how? That's understandable. Trillions of animals suffer every day on farms and in the wild. The problem is vast and complex, but people around the world are making a difference.

Animal Charity Evaluators (ACE) is a 501(c)(3) nonprofit registered in the United States dedicated to finding and promoting the most effective ways to help animals. We do this by evaluating and recommending high-impact charities, awarding strategic grants to promising projects, and raising critical funds for the animal advocacy movement. Our ultimate goal is to educate and empower individuals and organizations to make a significant and lasting positive impact on the lives of neglected animals who are often forgotten. ACE envisions a future in which no individual is given less than full moral consideration on the basis of any morally irrelevant feature of their identity, including species membership.

ACE has a unique and influential role within the effective animal advocacy movement. Our global team is composed of experienced professionals in animal advocacy, effective altruism, and research methodology. To date, we have rigorously evaluated 85 charities that work to end factory farming and create meaningful change for farmed and wild animals, and recommended 38 high-impact organizations as effective giving opportunities. Through our strategic grantmaking, we have distributed nearly $20 million to our Recommended Charities and promising advocacy projects around the globe. Since ACE began tracking this metric in 2014, we estimate that we’ve helped to influence at least $81 million within the animal advocacy movement. Over the years, we have built strong partnerships with organizations and researchers, amplifying our collective efforts to improve the lives of as many animals as possible. 

Join us! Together, we can build a future that's kind to *all* species.

Animal Charity Evaluators

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