After looking up more stuff I think small & medium EA donors have at least a few solid options to beat GiveWell All Grants & EA Animal Welfare Fund and I personally am adjusting over 25% of my giving to them…
Lead Exposure Elimination Project (LEEP)
The cost per DALY (healthy year of life gained) on LEEP is like 5-10x better than the best GiveWell interventions like malaria bed-nets. Instead of taking $50 to get a healthy year of life their estimate is like $5 for lead elimination programs. I gather this is because they can leverage policy changes in government & companies to remove lead from many many products & because some products like house paint may be around a lot of people for a lot of time. Please comment if you know of any other factors affecting their DALY estimates.
Shrimp Welfare Project
Usual arguments: number of animals involved, ease of stunning intervention to avoid suffering, neglected, etc.
https://open.substack.com/pub/benthams/p/the-best-charity-isnt-what-you-think?r=87ph2&utm_medium=ios&shareImageVariant=overlay
Screwworm Elimination
Arguments listed in previous comment.
Small to medium donors should also consider making some more speculative donations with even higher expected impact than the GiveWell All Grants & EA Animal Welfare funds.
For example…
Donations to the Lead Exposure Elimination Project (LEEP) are more speculative as some of their government & corporate advocacy campaigns to eliminate lead may fail, but on average they expect to generate 1 extra healthy year of life (DALY) for every $5-$15 donated, which is about 3X better than malaria bed-nets at $50 per healthy year of life (DALY).
https://leadelimination.org/how-cost-effective-are-leeps-paint-programs/
Donations to the Shrimp Welfare Project are more speculative as they are reliant on early & not entirely certain research indicating shrimp have some level of consciousness and reliant on one’s own valuing of animal sentience & suffering and reliant on studies indicating stunning shrimp actually renders them unconscious. But even given those points, the potential scale of suffering reduction is enormous. Every $1 donated to the Shrimp Welfare Project could avoid the painful death of 14,000 shrimp.
https://open.substack.com/pub/benthams/p/for-a-short-period-of-time-you-can?r=87ph2&utm_medium=ios&shareImageVariant=overlay
Donations to Screwworm Free Future are speculative because they are highly reliant on advocacy of governments / policy outcomes. But screwworm elimination would likely save at least 5 billion wild & farmed animals over 25 years from a very torturous death of being eaten alive from the inside out. Assuming this project has a 50⁄50 chance of success at a funding of $5million, each $1 donated could avoid the torturous death of ~500 animals.
https://manifund.org/projects/anti-screwworm-gene-drive-advocacy