About Effective Altruism Official

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Effective altruism is about answering one simple question: how can we use our resources to help others the most? We think carefully about what the most pressing problems in the world are and take actions to try and improve the lives of others and solve these huge issues.

You can find out more at www.effectivealtruism.org

This YouTube channel contains videos that help you explore how to do the most good. Most are recordings of talks from our Effective Altruism Global conferences (eaglobal.org), which are run by the Centre for Effective Altruism (centreforeffectivealtruism.org).

Preparing for the intelligence explosion | Will MacAskill | EAG London: 2025

Will MacAskill discusses his recent work on preparing for the intelligence explosion and on focusing on trying to reach near-best futures rather than (merely) trying to prevent catastrophe. Will MacAskill is a Senior Research Fellow at Forethought. He's the author of Doing Good Better and What We …

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The data that shapes global health | Saloni Dattani | EAG London: 2025

Saloni Dattani makes the case that data collection isn’t just an academic concern; it’s crucial for policymaking, journalism, and industry, and, in some cases, a matter of life or death. Data collection has changed our understanding of diseases like cholera, tuberculosis and snakebite envenoming; …

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Forecasting can get easier over longer timeframes | Toby Ord | EAG London: 2025

Most people believe forecasting gets systematically harder over longer time periods — that it is hard to see further through the mists of time. But there are many forecasting questions for which the reverse is true. In this talk, Toby Ord shows how this can be, teasing out a variety of different me…

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