Ignoring an exposure is a poor default, but some disasters exceed what an individual country can prevent. The example is a planet-ending asteroid impact, assessed as beyond Britain's independent capacity to manage. Contributing to international observation is still considered sensible. Risk assessment therefore includes deciding where national action is feasible and where cooperation is the practical contribution.
Notable Point ยท 5:29-6:22
Recognize risks beyond a nation's independent capacity
An extreme asteroid example separates risks a country can address alone from those that call for international cooperation.