Global Catastrophic Risks

global priorities

GCRs

extinction

geology

astrobiology

AI

Notes for the 2008 book Global Catastrophic Risks edited by Nick Bostrom.

Published

December 7, 2025

Modified

June 14, 2026

1 Introduction

---
title: Global Catastrophic Risks
description: "Notes for the 2008 book _Global Catastrophic Risks_ edited by Nick Bostrom."
categories: ["global priorities", "GCRs", "extinction", "geology", "astrobiology", "AI"]
date: "2025-12-07"
date-modified: "2026-06-14"
slug: "Bostrom_GCR_2008"
---


## Introduction