Digital transformation and early warning systems for saving lives Background paper Acknowledgements Table of contents Early warnings for all: a multichannel approach and the opportunities of mobile networks to reach people at risk ITU contribution to the Early Warnings for All initiative Technologies for broadcasting an alert via mobile networks Cell broadcast Location-based SMS technology (LB-SMS) Advantages and challenges of each technology from a crisis management perspective Standardizing alerting messages: the Common Alerting Protocol The worldwide usage of CAP and its evolution How countries are adapting CAP to their needs and use A multistakeholder approach to building an effective early warning system Opportunities in the regulation of public warning systems: the EU example Conclusion References Annex 1: Multi-hazard early warning systems: legislative approaches around the world Structure of the overview on legislation/regulation Countries included European Union Legislation cited Australia Canada Chile Europe USA Other countries