See below for full summaries of all articles Comment: Lord Toby Harris of the National Preparedness Commission and Mami Mizutori of the UNDRR Resilience: Building back better; learning from the past; cognitive biases; diversity shortfalls; proactive leadership resilience; and succession planning Covid-19: Supply chain resilience; mass vaccination challenges; entertainment venues; and new technology Climate & environment: Failures of imagination; opportunity or catastrophe? Forever chemicals; biodiversity & economics; flood resilience; the plight of the humble bee; and drones Frontline services: Police mediation; Capitol building violence; and Yemen Societal division: Overcoming toxic polarisation; the infodemic & social media; bursting the disinformation bubble; building trust online; manipulation and consequences; and psychological warfare Technology: Photogrammetry and hotwashes; and London Fire Brigade's drone programme Regulars: Book review; event previews & diary listings; and Frontline - Raimondo Chiari of the ICRC