peterhartree answers What are the best examples of object-level work that was done by (or at least inspired by) the longtermist EA community that concretely and legibly reduced existential risk?

[peterhartree]

The CLTR Future Proof report has influenced UK government policy at the highest levels.

E.g. The UK “National AI Strategy ends with a section on AGI risk, and says that the Office for AI should pay attention to this.