There are a variety of definitions, but most of the GCR literature is in fact concerned with collapse risks. See Nick Bostrom’s book on the topic, for example, or Open Philanthropy’s definition: https://www.openphilanthropy.org/research/cause-reports/global-catastrophic-risks/global-catastrophic-risks
There are a variety of definitions, but most of the GCR literature is in fact concerned with collapse risks. See Nick Bostrom’s book on the topic, for example, or Open Philanthropy’s definition: https://www.openphilanthropy.org/research/cause-reports/global-catastrophic-risks/global-catastrophic-risks