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Each year, Animal Charity Evaluators (ACE) invites animal charities from around the world to apply for our in-depth evaluations. Our goal is to identify the most impactful giving opportunities for donors seeking to contribute to a world where all animals can flourish.

We are thrilled to announce that 10 charities have been selected for this year’s charity evaluations, based on their excellent applications and the highly promising nature of their work. Among these are six current Recommended Charities that are being re-evaluated before their two-year recommendation status expires: Faunalytics, Legal Impact for Chickens, New Roots Institute, Shrimp Welfare Project, The Humane League, and Wild Animal Initiative.

On November 4, 2025, some of this year’s evaluated charities will be awarded ACE’s two-year recommendation status, joining the five charities recommended in 2024: Aquatic Life Institute, Çiftlik Hayvanlarını Koruma Derneği, Dansk Vegetarisk Forening, Good Food Fund, and Sinergia Animal.

All charities evaluated by ACE have undergone a thorough selection process and have demonstrated significant potential in running cost-effective programs and engaging in impactful work. Even those that are not ultimately recommended are likely among the most effective in their respective fields. Below, we give an overview of our selection process and introduce the 10 charities that successfully reached the evaluation stage in 2025.

Our Selection Process

Our selection process is an initial assessment of applicants’ programs, with a focus on their theory of change and the scale of their impact for animals. The process is designed to ensure that we dedicate our resources to evaluating organizations with strong potential to be among the most impactful giving opportunities in the world.

In 2025, our selection process began with 43 initial applicants, which were narrowed to 25 charities after an eligibility screening. These organizations then underwent a detailed assessment in which our team members evaluated their theory of change and created rough “back-of-the-envelope” cost-effectiveness estimates (BOTECs) of their main programs. Based on these assessments and team discussions, a final shortlist of 12 charities was selected for further review.

See below for a more detailed look at the key selection stages.

Invitations

We begin with a broad reach, publishing and disseminating an open call for applications that all animal charities can respond to. At the same time, we proactively invite charities working in specific high-priority areas (e.g., wild animal welfare) or in underrepresented regions (e.g., East Asia). This year, we received applications from 43 organizations.

Eligibility screening

From the initial pool, we screen charities based on the eligibility criteria of our Charity Evaluations program. This includes ensuring the charity targets the most numerous animal groups (i.e., farmed or wild animals), has enough staff to be able to fully participate in the evaluation process, and meets a minimum revenue threshold as a proxy for their ability to effectively absorb and use the funding that an ACE recommendation helps generate. Through this step, we narrow our focus to organizations that are both aligned with our mission and operationally ready for a potential influx of funding. This year, 25 charities met the initial eligibility requirements and proceeded past the initial screening.

In-depth questions

Charities passing the initial screening are asked to provide more detailed information. We delve into the path to impact for their main programs, their top goals for the upcoming year, and their approach to monitoring and evaluating their own impact. This includes understanding what data they collect and how they use it, which is vital both to have enough information for our assessment, and because we believe robust monitoring is key to effective programs.

Researcher assessment and scoring

At this stage, our charity evaluation team thoroughly assesses each charity’s responses, including detailed background research. We focus on the organization’s short-term and long-term theory of change, evaluating the logic, reasoning, and evidence underpinning their approach. We also begin to estimate the potential scale of the charity’s impact, often through creating rough “back-of-the-envelope” cost-effectiveness estimates of their main programs. We aim for each organization to be assessed by at least three different team members.

Discussion and shortlisting

Following the individual assessments, the evaluation team convenes to discuss their individual scores and findings, and we adjust the scores as necessary. Based on these reviewed scores, we create a shortlist of the most promising charities. This year, our initial scores and discussions resulted in a shortlist of 12 charities.

Follow-up questions and clarification

We often have follow-up questions for charities on the shortlist. These are crucial for clarifying specific points in their application or addressing any significant “cruxes” (i.e., pivotal questions or uncertainties) that our team needs input on before deciding whether to proceed with a full evaluation.

Team scoring and further discussion

The shortlisted charities are scored by all members of our evaluation team. Another round of discussion follows, particularly focusing on organizations where there is significant disagreement in scoring or where scores suggest they are borderline candidates.

Charity calls

We conduct video calls with organizations on our shortlist that have not yet undergone our evaluation process. These conversations aim to ensure that the charities understand the demands and timeline of a full ACE evaluation and to discuss their readiness and capacity to participate effectively. It’s a significant commitment for both sides, and these calls help ensure a good fit.

Final decision

We make the final decision on which charities to evaluate using a STAR vote approach, where each team member assigns 0–5 stars to each charity, which is then transformed into an overall ranking. Through this process and subsequent final discussion, we agree on the final list via consensus.

Selected Charities

We are proud to announce the 10 charities that have successfully passed this rigorous process and have advanced to the evaluation stage for 2025. We look forward to sharing the results of our full evaluations with you on November 4.

Animal Welfare Observatory

Animal Welfare Observatory (AWO) is an effective animal advocacy organization based in Spain. Focused on corporate and legislative campaigns at the national and E.U. levels, AWO works to raise animal welfare standards through gradual institutional change. Their mission is to secure commitments from companies and policymakers to end the suffering of animals raised for food, with a vision of a food system free from factory farming.

Animal Welfare Observatory Logo

 

Better Food Foundation

The Better Food Foundation is creating a more sustainable food system by incubating novel solutions for shifting diets and shaping cultural narratives that guide food choices. Their mission is to accelerate the global shift to plant-centered eating that they already see taking place in the world, and to nudge institutions and communities to adopt new norms in which animal products are no longer central to our food system.

 

Better Food Foundation Logo

 

Ethical Seafood Research

Ethical Seafood Research works to reduce suffering for farmed fish in low- and middle-income countries by providing practical, science-based tools and training to assess and improve on-farm welfare. Their current programs focus on tilapia farming in Egypt, Kenya, and Tanzania, combining direct producer outreach with institutional partnerships to embed fish welfare into aquaculture policy and everyday practice. They aim to shape the development of fish farming in ways that prioritize animal welfare from the outset, preventing suffering in aquaculture systems that are just beginning to intensify.

Ethical Seafood Research Logo

Faunalytics

Faunalytics is a U.S.-based organization that connects animal advocates with important information relevant to advocacy. Their work mainly involves conducting and publishing independent research, working directly with partner organizations on various research projects, and promoting existing research and data for animal advocates through their website’s content library. Faunalytics’ work helps fill the current evidence gap in animal advocacy, enabling us to build an evidence-based, resilient movement.

 

Legal Impact for Chickens (LIC) works to hold factory farms in the United States accountable for their cruelty towards chickens and other farmed animals. They achieve this by filing strategic lawsuits, developing and refining creative methods to civilly enforce existing cruelty laws in factory farms, and suing companies that breach their animal welfare commitments.

Legal Impact for Chickens logo

 

New Roots Institute

New Roots Institute empowers the next generation to end factory farming. They provide comprehensive training to high school and college students and collaborate with mission-aligned organizations to drive behavioral and structural changes in local communities. Their evidence-based approach creates feedback loops within school networks, facilitating shifts in norms and systems. This positions students as lifelong advocates equipped with the skills to influence organizations, governments, and corporations.

New Root Institute logo

 

Shrimp Welfare Project

Shrimp Welfare Project (SWP) is the first organization working exclusively to improve welfare for farmed shrimps. SWP operates through four strategic workstreams: the Humane Slaughter Initiative, which deploys electrical stunners to catalyze industry-wide adoption of humane slaughter; Sustainable Shrimp Farmers of India (SSFI), which supports small-scale farmers through evidence-based interventions like sludge removal that reduce chronic suffering; Research & Policy, which advances welfare standards across certification bodies and legislation; and Precision Welfare, which guides the industry toward using precision aquaculture technologies to optimize for welfare outcomes. By 2030, SWP aims to reach a tipping point where humane practices such as electrical stunning become the industry standard.

Sociedade Vegetariana Brasileira

Sociedade Vegetariana Brasileira (SVB) promotes plant-based eating in Brazil through meat reduction programs, government advocacy, and public engagement. SVB drives change by operating across government, healthcare, education, industry, and media, combining institutional outreach with grassroots efforts in over 46 cities. They collaborate with celebrities and media to reach broader audiences and escape the plant-based echo chamber. Their initiatives have led to over 530 million vegan meals served, plant-based policies in schools and hospitals, and a nationwide grassroots movement. By engaging public officials and civil society, SVB seeks to reduce farmed animal suffering and promote sustainable food systems.

The Humane League

The Humane League (THL) works globally to end the abuse of animals raised for food. They do this through corporate negotiation, pressure campaigns, public policy, media coverage, and community power-building. The Humane League also supports the long-term impact and capacity of the animal advocacy movement through the Open Wing Alliance (OWA) and the Animal Policy Alliance (APA).

 

The Humane League logo

 

Wild Animal Initiative

Wild Animal Initiative is a U.S.-incorporated organization working internationally to improve our understanding of wild animals’ lives by advancing the field of wild animal welfare science. By conducting research and supporting other wild animal researchers, the organization aims to increase academic interest in wild animal welfare and identify evidence-based solutions to improving wild animals’ wellbeing.

 

Wild Animal Initiative Logo

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Thanks for sharing, Alina! Do you plan to consider the effects on wild animals of interventions targeting farmed animals?

I think the effects on wild animals of interventions targeting vertebrates which change feed consumption are much larger than those on farmed animals. I estimate:

  • Broiler welfare and cage-free corporate campaigns benefit soil nematodes, mites, and springtails 444 and 28.2 times as much as they benefit chickens.
  • School Plates in 2023, and Veganuary in 2024 harmed those soil animals 5.42 k and 3.58 k times as much as they benefited farmed animals.

For my best guess that wild animals have negative lives, considering effects on wild animals makes welfare reforms increasing the feed requirement per food-kg much more beneficial, but also renders increasing the consumption of animal-based foods very harmful. I worry your recommendations are not internally consistent. If I had the best guess that:

  • Wild animals have negative lives (like I actually do), I would not recommend organisations primarily aiming to decrease the consumption of animal-based foods.
  • Wild animals have positive lives, I would not recommend organisations primarily working on interventions targeting vertebrates which increase the feed requirement per food-kg, like broiler welfare and cage-free reforms.
  • One should exclusively focus on interventions which are beneficial regardless of whether wild animals have positive or negative lives, I would not recommend organisations primarily aiming to decrease the consumption of animal-based foods, or ones primarily working on interventions targeting vertebrates which increase the feed requirement per food-kg. I would instead focus on interventions targeting intervebrates (like the ones I recommended here), and ones targeting vertebrates which have a negligible impact on the feed requirement per food-kg, like humane slaughter interventions.

@eleanor mcaree, @Elisabeth Ormandy, @Vince Mak 🔸, and @Zuzana Sperlova🔸, you may be interested in this comment, and my response to Toby's reply.

Strong downvote again for not engaging with the substance/purpose of the post (telling us about the great charities they are reviewing), and instead bringing in a sideline discussion about nematode/wild animal welfare. 

Thanks, Nick. I also upvoted your comment again because I appreciate when people share the rationale for their strong down or upvotes. I think my comment is a valid critique of ACE's methodology to select for evaluation and recommend charities, and therefore relevant to the post.

Ok I almost see that (downgraded to weak downvot) I think I see this post as being about their overall process rather than details. There's not one number in this post so they don't seem to be engaging on that level

If this was a post was about the details of their methodology then I think getting into the details you mention would make more sens.

Hi Vasco, thank you for encouraging us to think about the downstream effects of farmed animal interventions on wild animals whose experiences are so neglected. As you noticed by the selection of charities we've made, we are not confident enough yet of the potential impact on the wellbeing of free ranging individuals like nematodes or even insects and larger wild animals. It is possible that in our theory of change analyses of charities this question will come up. But we expect that the uncertainty will mean we won't give the answer much weight in this evaluation round. Thanks.

Thanks for the reply.

Could you elaborate on which type of uncertainty makes you discount effects on wild animals? I assume you are not neglecting these just because they have a high chance of being negligible. This also applies to interventions helping farmed insects, and you have made a grant to the Insect Welfare Research Society (IWRS). Rethink Priorities' (RP's) estimate for the probability of sentience of silkworms is just 1.21 (= 0.082/0.068) times their estimate for nematodes.

I guess you are neglecting effects on wild animals because the probability of them being beneficial is similar to that of them being harmful. Do you have any thoughts on the reasons I presented for that not being a sufficient reason to neglect the effects?

Hi Vasco, we intend to publish a blog post on the consequences of farmed animal welfare interventions for wild animals, after the busy work of charity evaluations is wrapped up for the season. Thank you.

Thanks for that! I would be happy to review a draft (for free).

@Animal Charity Evaluators, I would be curious to know what made you have that intention to publish a post about effects on wild animals. In particular, whether my posts had any influence.

You could alternatively have the best guess that either:

  • Soil nematodes, mites, and springtails are very likely not sentient.
  • The welfare of nematodes, mites, and springtails is very likely of negligible importance compared to the welfare of e.g. chickens.
  • Soil nematodes, mites, and springtails have very close to neutral lives on average (even if the welfare of each individual is significant).
  • The extreme uncertainty in the sign and magnitude of their welfare effectively 'cancels out' in expectation (even if still having a large variance).. or cancels out once combined with uncertainty around whether there are other considerations missing from your analysis completely (other species we should be thinking about, possibility of sentience in bacteria under some spiritual worldview, etc).

I think under any of these points of view, even the final one, recommending organisations working on both sides of your divide would be internally consistent.

Thanks for the relevant comment, Toby! I only covered the options I consider most reasonable, but the ones you mentioned crossed my mind, and I think they are worth discussing. As far as I can tell, they can be summarised into 2 objections:

  • The expected welfare of soil nematodes, mites, and springtails being much closer to 0 than I estimated. This could be due to their probability of sentience being lower, their welfare range conditional on sentience being smaller, or their expected welfare conditional on a given welfare range being smaller (for example, due to the welfare distribution being closer to symmetric around 0, as you said).
  • The effects on soil nematodes, mites, and springtails are practically neutralised by considerations I did not cover.

On the 1st objection, ACE's cost-effectiveness analyses rely on Ambitious Impact's (AIM's) suffering-adjusted days (SADs). In this system, silkworms have a welfare range of 0.46 (you can ask Vicky Cox for the private sheet with the estimates), 230 (= 0.46/0.002) times Rethink Priorities's (RP's) mainline welfare range of silkworms of 0.002. As a result, small invertebrates have a much greater welfare range in ACE's cost-effectiveness analyses than under RP's mainline welfare ranges. My estimates for the welfare of soil nematodes, mites, and springtails rely on RP's mainline welfare ranges, so I believe these animals would have a welfare much further away from 0 under AIM's, and therefore ACE's, assumptions about welfare ranges.

On the 2nd objection, I think it would be a surprising and suspicious convergence if considering unmodelled effects much larger than the ones currently being modelled practically did not change anything in terms of ACE's recommendations. My analysis of effects on soil nematodes, mites, and springtails significantly changed my cause prioritisation. At the very least, I would say ACE could explain why they think effects on wild animals are not worth considering.

I am wary of causing large harm to soil nematodes, mites, and spirngtails in the hope that other unmodelled undescribed effect will neutralise it. I estimated School Plates in 2023 increased 1.20 billion wild-animal-years (mostly nematode-years) per $, and nematodes seem to have pretty painful experiences. From Félix and Braendle (2010), "Frequently co-occurring predators [of nematodes] include fungi, which, depending on the species, invade the nematode through spores attaching to the cuticle or the intestine, or use trapping devices that immobilize the animal and perforate it". From Frézal and Félix (2015), "parasites infect their host via the two most exposed parts of the nematode, the cuticle and the intestine. Some non-invasive bacteria form a biofilm along the nematode's cuticle or directly stick to it (Hodgkin et al., 2013). Other bacteria proliferate in the nematode gut, which may induce constipation and likely impairs nutrient uptake (Félix and Duveau, 2012). The most intrusive parasites enter and proliferate inside the nematode body. Some pierce the cuticle (e.g., Drechmeria coniospora [Couillault et al., 2004], Figure 2J), while others enter intestinal cells via the apical membrane (e.g., microsporidia and Orsay virus [Troemel et al., 2008; Félix et al., 2011])".

I would not be surprised if effects on bacteria of changing cropland were much larger than those on soil nematodes, mites, and springtails. From Table S1 of Bar-on et al. (2018), there are 10^30 terrestrial deep subsurface bacteria, 10^9 (= 10^(30 - 21)) times as many as nematodes, and I guess the welfare range of bacteria can seasily be much larger than 10^-9 that of nematodes. However, the number of bacteria per unit area is correlated with the number of soil nematodes, mites, and springtails per unit area, as both are driven by net primary production (NPP), and I would guess bacteria to have negative/positive lives conditional on soil nematodes, mites, and springtails having negative/positive lives. So I believe my conclusion that the cost-effectiveness of interventions targeting vertebrates is driven by changes in cropland would hold accounting for bacteria.

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