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Global catas­trophic risk

TagLast edit: 11 Aug 2021 13:31 UTC by Pablo

A global catastrophic risk (GCR) is an event that poses a risk of major harm on a global scale (Bostrom & Ćirković 2008).

GCRs risks include, but are not restricted to, existential risks. Examples of non-existential GCRs include risks of hundreds of millions of people dying due to a natural pandemic or due to anthropogenic climate change.

Such catastrophic risks have obviously bad direct effects: they may involve many people dying, or our technological capabilities being greatly reduced. There may also be bad indirect effects, for instance by destabilizing political systems in a way that increases the likelihood of war or totalitarian government.

Some GCRs which are not themselves existential risks could still increase existential risk via their indirect effects. Such GCRs may be regarded as existential risk factors, or as components of a compound existential risk. Arguably, climate change might increase political tensions, hastening nuclear or biological warfare. Alternatively, civilization could eventually rebound to something like its previous state. The Black Death—the deadliest catastrophe in human history—killed something like 10% of the world’s population without obviously affecting humanity’s long-term potential (Muehlhauser 2017).

Even if global catastrophic risks do not pose an existential risk, they might still be high priority causes justified purely by their nearer-term consequences.

Bibliography

Aird, Michael (2020) Collection of some definitions of global catastrophic risks (GCRs), Effective Altruism Forum, February 28.
Many additional resources on this topic.

Avin, Shahar et al. (2018) Classifying global catastrophic risks, Futures, vol. 102, pp. 20–26.

Beckstead, Nick (2015) The long-term significance of reducing global catastrophic risks, Open Philanthropy, August 13.
A blog post investigating the extent to which global catastrophic risks might have long-term or potentially existential consequences.

Berger, Alexander (2014) Potential global catastrophic risk focus areas, Open Philanthropy, June 26.

Bostrom, Nick & Milan Ćirković (eds.) (2008) Global Catastrophic Risks, Oxford: Oxford University Press.

Cotton-Barratt, Owen et al. (2016) Global catastrophic risks 2016, Global Priorities Project.
A report examining various types of global catastrophic risk.

Muehlhauser, Luke (2017) How big a deal was the Industrial Revolution?, Luke Muehlhauser’s Website.

Open Philanthropy (2014) Global catastrophic risks, Open Philanthropy, February .
An investigation into the importance of global catastrophic risks.

Kemp, Luke & Catherine Rhodes (2020) The cartography of global catastrophic governance, Cambridge: Centre for the Study of Existential Risk.

Koehler, Arden & Keiran Harris (2020) Owen Cotton-Barratt on epistemic systems & layers of defence against potential global catastrophes, 80,000 Hours, December 16.

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