The Animal Welfare Department (AWD) at Rethink Priorities supports high-impact strategies to help animals, especially where suffering is vast and largely neglected. Therefore, one of our focus areas is wild animal welfare (WAW), where uncertainty about tractability makes identifying cost-effective interventions particularly challenging. While much of the current WAW work rightly focuses on academic field-building (see Elmore & McAuliffe, 2024), it is worth determining whether there are viable, near-term interventions that are already available or close to implementation.

With this goal in mind, we have developed the Wild Animal Welfare Intervention Database (WAWID). This project evaluates an array of interventions that may be promising for improving WAW in the (relatively) near term, evaluating them relative to criteria of interest to funders, advocates, researchers, and potential implementers across the WAW space.

The WAWID is available here:

Wild Animal Welfare Intervention Database

The landing page includes a full list of the interventions and evaluation criteria. This report explains how we developed the WAWID, what we think you can learn from it, and suggest some future directions for this work (conditional on funding). A future report will provide some descriptive statistics.

How we developed the WAWID

We launched this project in [...]

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Outline:

(01:34) How we developed the WAWID

(08:14) Initial observations

(13:13) Limitations

(15:20) Future Directions

(16:48) Acknowledgements

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First published:

March 25th, 2026

Source:

https://forum.effectivealtruism.org/posts/pEbiEmeu2agEHJgyu/a-database-of-near-term-interventions-for-wild-animals

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This post was crossposted from Dylan Matthew's blog by the EA Forum team. The author may not see or reply to comments.

Subtitle: Try to keep an open mind as the world gets increasingly wild.

The crowd at EAG 2015 (Center for Effective Altruism)

In 2015, I went to my first EA (Effective Altruism) Global. It was then on-the-record for journalists, which is a rule that got changed for all subsequent events due to my actions.

My exposure to EA at that time was mostly through people who took high-paying careers in order to “earn to give” to global health charities, which I had written about in the Washington Post. I also knew the movement cared a lot about animal welfare. I was aware that there were people worried about catastrophic risks, and specifically about AI; this had come up in a profile I wrote of Open Philanthropy (my now-employer, albeit under a new name these days). But I still broadly thought of EA as the bednets and cage-free commitments people.

I was really taken aback by how dominant discussions of AI risk were at the event. The marquee panel featured Superintelligence author Nick Bostrom, future If Anyone Builds It [...]

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Outline:

(03:31) What should I learn from bungling this?

(06:43) Listen to the people saying stuff will get weird

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First published:

April 16th, 2026

Source:

https://forum.effectivealtruism.org/posts/9FPxMET3W4wewwSyf/the-ai-people-have-been-right-a-lot

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Narrated by TYPE III AUDIO.

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More money is coming than AI safety has ever seen. The capacity to deploy it doesn't exist yet.

Image Source: Fortune.com

Note: Catherio in the comments pointed out that although Anthropic is pursuing IPO readiness, they are not certain to IPO. As OscarD pointed out, based on this Manifold Market, there is roughly a 75% chance of an IPO within the next year.

With that said, the argument below holds regardless of exact timing-- the pledges have been made, and the capital is coming, whether via IPO, secondary sales, or further private rounds.

1. The Anthropic IPO is coming

This week, Anthropic announced Claude Mythos Preview– a model so capable at finding software vulnerabilities that the company decided to wait to release it publicly. Last month, Bloomberg reported that Anthropic's annualized revenue had hit 19 billion dollars, doubling in under four months, and by some accounts surpassing OpenAI. It is currently one of the most valuable private companies on the planet.

Anthropic is also probably going to IPO, possibly as soon as October 2026. When it does, a few thousand people, including some of the wealthiest people on the planet, will become liquid, and a meaningful fraction of those [...]

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Outline:

(00:12) More money is coming than AI safety has ever seen. The capacity to deploy it doesn't exist yet.

(00:54) 1. The Anthropic IPO is coming

(04:08) 2. The constraint is talent, not funding

(05:52) 3. We don't just need more bets- we need decorrelated ones

(08:46) 3a. Different structural positions

(09:24) 3b. Independent grantmakers with different worldviews

(10:10) 4. The Pitch: Consider becoming a grantmaker or founding something new

(12:50) 5. The window is brief

(13:47) 6. Next Steps

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First published:

April 12th, 2026

Source:

https://forum.effectivealtruism.org/posts/ychu2LAw54sNcocKH/the-anthropic-ipo-is-coming-we-aren-t-ready-for-it

Linkpost URL:
https://thecounterfactual.substack.com/p/the-anthropic-ipo-is-coming-we-arent

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This is a link post.

More money is coming than AI safety has ever seen. The capacity to deploy it doesn't exist yet.

Image Source: Fortune.com

This week, Anthropic announced Claude Mythos Preview– a model so capable at finding software vulnerabilities that the company decided to wait to release it publicly. Last month, Bloomberg reported that Anthropic's annualized revenue had hit $19 billion, doubling in under four months, and by some accounts surpassing OpenAI. It is currently one of the most valuable private companies on the planet.

Anthropic is also going to IPO, possibly as soon as October 2026. When it does, a few thousand people, including some of the wealthiest people on the planet, will become liquid, and a meaningful fraction of those people will want to give to AI safety.

Tech liquidity events have created major philanthropists before. Dustin Moskovitz's Facebook shares became Good Ventures, which became Coefficient Giving, which became the single largest funder of AI safety. Vitalik Buterin donated $665 million to a fledgling FLI. Jed McCaleb's crypto wealth became a billion-dollar endowment to the Navigation Fund, which went from $4 million in grants its first year to over $60 million by 2025.

None of these come [...]

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Outline:

(00:13) More money is coming than AI safety has ever seen. The capacity to deploy it doesnt exist yet.

(03:36) The constraint is talent, not funding

(05:47) We dont just need more bets- we need decorrelated ones

(08:39) Different structural positions

(09:17) Independent grantmakers with different worldviews

(10:12) The Pitch: Consider becoming a grantmaker or founding something new

(12:52) The window is brief

(13:48) Next Steps

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First published:

April 12th, 2026

Source:

https://forum.effectivealtruism.org/posts/ychu2LAw54sNcocKH/the-anthropic-ipo-is-coming-we-aren-t-ready-for-it

Linkpost URL:
https://thecounterfactual.substack.com/p/the-anthropic-ipo-is-coming-we-arent

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This post was cross posted to LessWrong

TL;DR: One of the largest talent gaps in AI safety is competent generalists: program managers, fieldbuilders, operators, org leaders, chiefs of staff, founders. Ambitious, competent junior people could develop the skills to fill these roles, but there are no good pathways for them to gain skills, experience, and credentials. Instead, they're incentivized to pursue legible technical and policy fellowships and then become full-time researchers, even if that's not a good fit for their skills. The ecosystem needs to make generalist careers more legible and accessible.

Kairos and Constellation are announcing the Generator Residency as a first step. Apply here by April 27.

Epistemic status: Fairly confident, based on 2 years running AI safety talent programs, direct hiring experience, and conversations with ~30 senior org leaders across the ecosystem in the past 6 months.

The problem

Over the past few years, AI safety has moved from niche concern toward a more mainstream issue, driven by pieces like Situational Awareness, AI 2027, If Anyone Builds It, Everyone Dies, and the rapidly increasing capabilities of the models themselves.

During this period, over 20 research fellowships have launched, collectively training thousands of fellows, with 2,000-2,500 fellows [...]

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Outline:

(01:18) The problem

(03:41) Why the pipeline is broken

(05:59) Why this matters now

(07:31) Counter-Arguments

(10:11) The Generator Residency

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First published:

April 13th, 2026

Source:

https://forum.effectivealtruism.org/posts/k3nq7FxBCsrNFmAYi/ai-safety-s-biggest-talent-gap-isn-t-researchers-it-s-2

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Narrated by TYPE III AUDIO.

I once ran the monitoring and evaluation department of a large nonprofit in rural Tanzania. We had 25 full-time data collectors who ran surveys with farmers on their crop yields and planting practices. My job was to oversee the team, analyze their data and produce reports with actionable recommendations.

The field team was incredibly productive and we were collecting tons of data. We were also producing very few actual reports and horrendously behind on everything. This seemed to me like a “time to work harder” problem but reading a business professor's novel about manufacturing helped me see it differently.

The correct solution was to tell my 25 field staff to stop working for two months.

The most engrossing book I've read since Harry Potter

The Goal by Eliyahu Goldratt is a novel about a manager given 6 months to turn around his factory or face closure, and the tactics he uses to get production up. It should not be good. It is very good. I’m not claiming it's great literature but it contains one of those ideas that, once seen, cannot be unseen.

A system moves at the speed of its slowest component, and nothing you do to [...]

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Outline:

(00:55) The most engrossing book Ive read since Harry Potter

(03:54) Rory, the bottleneck

(07:09) Bottles as bottlenecks

(08:23) Some observations on bottlenecks

(09:39) Conclusion

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First published:

April 8th, 2026

Source:

https://forum.effectivealtruism.org/posts/7excF9Zsv3gKvAdAZ/the-outsized-benefits-of-removing-bottlenecks-some-personal

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“We” in this post refers to CEA leadership, who didn’t write this post.

In 2025, we grew engagement with CEA's programs by 20–25% across every tier of engagement.

But we recognize that growing the community is about more than engagement or metrics—at its core, growth is about the bigness of things. How can we claim that we’ve grown the community if the words on the page are the same size?

To match our ambition off the page, it's time to show ambition on the page. We’re increasing our font size from 15px to 25px across all platforms. You’ll see more from us—clearer text, bigger words, extremely long forum posts.

What this means

• All of our programs will be bigger, in the sense that the documents we write about them will be absolutely huge.
• The forum will have a larger font than any other sensible website—a bigger font means more impactful ideas.
• Our events will have larger screens for our ginormous font. This will mean a significant increase in AV costs.
• We’re encouraging local groups to do the same—we’re recommending a 30% font size increase this year, and we’ll be supporting them to reach 20px font size by the [...]

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First published:

April 1st, 2026

Source:

https://forum.effectivealtruism.org/posts/EBjcpyfPwhByKeWjM/we-re-growing-cea-is-increasing-its-font-size

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I’m excited to launch Highly Engaged EAs: a matchmaking and nuptialization service to optimize tax relief, green card accumulation and more!

Workstreams

I Do(nate)

By marrying EAs in different tax brackets, Highly Engaged EAs reduces average tax burden through joint filing to enable greater giving. A Californian AI safety researcher with a million dollar salary could give an extra $53k/year by tying the knot with an unpaid grad student!

Til 80,000 Hours do us part

The place premium is so high in the US that >1,000 people have bought a million dollar gold card! While some roles don’t sponsor visas, spouses always can[1]. We match those looking to move countries with nationals of their desired destination.

Bang for your Buck

For full efficiency, Buck Shlegeris and Ajeya Cotra wear multiple hats as the witnesses, officiants and entertainment for weddings we organize.

Rationally named children 

For those who are interested in having kids, we provide naming guidance based on what really matters:

• Brevity. Claude BOTECs that each additional syllable to a person's name adds 68 hours to global pronunciation costs. Given that this will disproportionately be time spent by EAs, one-syllable names are a slam dunk.

• Complementarity: The [...]

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Outline:

(00:20) Workstreams

(00:23) I Do(nate)

(00:56) Til 80,000 Hours do us part

(01:17) Bang for your Buck

(01:29) Rationally named children

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First published:

April 1st, 2026

Source:

https://forum.effectivealtruism.org/posts/TLFiwwZGaqgbQhhr7/announcing-highly-engaged-eas

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Narrated by TYPE III AUDIO.

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We're thrilled to announce the founding of RejectDirectly, a new EA-adjacent organization dedicated to closing the global rejection gap.

For too long, the EA rejection pipeline has been plagued by ineffectiveness. Billions of collective DALYs spend on unsuccessful work trials and interviews. The water waste involved in the mass duplication of Google Docs. The community health is in peril.

In comes RejectDirectly. By cutting out the middleman we can deliver high-quality, unconditional rejections straight to applicants — no strings attached, no waiting period. No eight-hour work trials where you pour your Claude extra balance into a strategy memo for an organization that just couldn’t bring themselves to reject your heartfelt cover letter.

How it works: You apply. We reject you. That's it. No interviews, no work trials, no need for culture fit chats.

Like many orgs in the space, we're happy to forward your application to our partner organizations. Unlike other orgs, they will immediately reject you. We call this our Rejection Cascade™ — one application, up to fifteen guaranteed rejections.

Our 2026 roadmap:

We're piloting a browser addon that sends you a push notification rejection before you even finish your cover letter. Early users report feeling "liberated" and [...]

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First published:

April 1st, 2026

Source:

https://forum.effectivealtruism.org/posts/5qZdpKEFcGBrHJxDB/rejectdirectly

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Narrated by TYPE III AUDIO.

Epistemic status: Very high confidence in the statistical findings. Genuinely confused about the cause. For reasons that will become obvious, I wanted to publish this post on March 31, but unfortunately I could only get it done today.

I've been building a classifier to flag potentially misleading content on the EA Forum as part of a side project on epistemics infrastructure. While validating the model, I noticed something I initially assumed was a bug. This is an interim report on that.


Summary: Every year, on April 1, the rate of posts containing verifiably untrue claims spikes by roughly 2,200% relative to the annual daily average (p < 0.0001, 8 years of Forum data).


1. The effect is enormous

On a typical day, approximately 2 to 4% of Forum posts contain claims that are verifiably false. On April 1, this rises to 57–73%, depending on the year. For context, this is an implausibly large effect by normal social-science standards. I have genuinely never seen anything like it.

2. It repeats every year

This is not a one-off event. The pattern recurs in every year of the dataset.

3. "It's only one day" is misleading

A natural reaction is that [...]

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Outline:

(01:00) 1. The effect is enormous

(01:38) 2. It repeats every year

(01:57) 3. Its only one day is misleading

(02:57) 4. The false posts are high effort

(03:21) Possible explanations

(03:30) Why this matters

(04:48) Proposed interventions

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First published:

April 1st, 2026

Source:

https://forum.effectivealtruism.org/posts/EAokRDmQTjCAWgGdq/an-unexplained-annual-spike-in-false-claims-on-the-ea-forum

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Narrated by TYPE III AUDIO.

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