Scott Alexander defends effective altruism by highlighting its major accomplishments and arguing that its occasional missteps are outweighed by its positive impact on the world.

Scott Alexander analyzes and criticizes arguments that claim worrying about one issue trades off against worrying about another, particularly in the context of AI risks.

Scott Alexander creates an interactive geographic-style map visualizing the landscape of effective altruism, including cause areas, organizations, and key individuals.

Scott Alexander critiques Dylan Matthews' argument against prioritizing existential risk reduction, arguing that Matthews misuses probabilities and that his logic could also undermine other effective altruist causes.