The Open Philanthropy Project awarded a grant of $500,000 over two years to Animal Charity Evaluators (ACE) for general support. This grant falls within Open Philanthropy's work on farm animal welfare.
ACE is an organization in the effective altruism community that does research to identify the most effective animal welfare charities and recommend them to donors. This grant is intended to help ACE scale up and address what Open Philanthropy views as some of its current shortcomings, though on the whole, Open Philanthropy views ACE as a well-run organization that shares its goal of improving animal welfare as much as possible.