英国国家审计署：2026年英国对严重空间天气的韧性报告（英文版）

The Cabinet Office sets out the most serious acute risks facing the UK in the government’s classified National Security Risk Assessment (NSRA) and public-facing National Risk Register. Severe space weather has been on the National Risk Register since 2011 as one of the most serious natural and environmental hazards. In 2025, the government considered the likelihood of a severe space weather event occurring within the next five years to be 5–25%. 2 Space weather originates from solar activity