Here is some Grok-FU:
Primarily due to a mix of rising climate risks, cyber/infrastructure threats, geopolitical tensions (including from Russia's war in Ukraine), and a broader push for societal resilienceformalized especially by the EU in 2025 and recently amplified by national campaigns like the UK's.In March 2025, the European Commission launched its first Preparedness Union Strategy. It explicitly urged the EU's ~450 million citizens to stockpile food, water, medicines, flashlights, ID papers, and shortwave radios (or similar) for at least 72 hours of self-sufficiency. Officials, including Preparedness and Crisis Management Commissioner Hadja Lahbib, cited "more complex" and interconnected threats: war/armed aggression risks, cyberattacks and sabotage of critical infrastructure, climate-driven disasters (floods, fires, extreme weather), pandemics/disease, and supply-chain disruptions. The strategy aims to build a culture of preparedness (household plans, school curricula, EU-level stockpiles of equipment) rather than pure alarmism, drawing on existing practices in Nordic countries, Germany, and France.
Many individual European governments already had similar or stronger advice, often updated in recent years:
- Nordic countries (Finland, Sweden, Norway, Denmark): Longstanding culture of readiness. Finland recommends 72 hours; Sweden (updated brochure distributed in 2024) advises at least a week, including for war or major crisis scenarios.
- Germany: Federal guidance has long recommended up to 10 days of food and water (even 3 days is helpful); it covers both wartime and peacetime risks (animal diseases, technical accidents, supply bottlenecks).
- France, Ireland, Netherlands: 72-hour kits and guidance already in place.
- UK (most recent high-profile example): In October 2026 the government launched/updated its "Be Ready" campaign, advising every household to keep ~3 litres of drinking water per person per day plus non-perishable food for 3 days, plus basics like a torch, battery/wind-up radio, first-aid kit, cash, blankets, and power bank. Officials (including Defence Secretary Wes Streeting and the security minister) pointed to climate impacts (storms, wildfires), technological dependency, sophisticated cyberattacks (e.g., potential disruption of supermarket payments or critical services), and hostile-state threats. It explicitly aligns the UK with other European peers.
In short, the recent wave is not a sudden panic over one single threat. It reflects post-Cold War complacency giving way to recognition of hybrid risks (military, cyber, climate, infrastructure) that could disrupt electricity, water, payments, logistics, or communications for days. Governments emphasize that households managing independently for the first 72 hours frees emergency services for those who need them most, and that building modest stocks gradually (not panic-buying) is practical resilience. Nordic and German practices predate the latest EU/UK pushes; the 2025 EU strategy and 2026 UK campaign simply made the advice more visible and coordinated.