BEGIN:VCALENDAR PRODID:-//github.com/rianjs/ical.net//NONSGML ical.net 4.0//EN VERSION:2.0 BEGIN:VEVENT DTEND:20260521T120000Z DTSTAMP:20260420T005558Z DTSTART:20260521T110000Z ORGANIZER: SEQUENCE:0 SUMMARY:Decarbonising Heritage Estates: Engineering Pathways to Practical Net Zero UID:CIBSE-EVENT-a1EQx000005EvZrMAK END:VEVENT END:VCALENDAR