The complexity of natural hazard phenomena and the diversity of agencies involved in an integrated response, make this is a complex task. Emergency decisions are typically made against a backdrop of varying levels of complexity, time urgency, uncertainty, and shifting and competing demands. The book written for water, wastewater, electric, and gas utility managers, cyber security engineers, operators, consulting engineers, emergency response planners and professionals, public officials, this publication addresses the key elements if emergency planning, including regulatory requirements and how to recover from resulting emergencies and build on resilience. International Emergency Management Agencies from Japan, Germany, US, New Zealand have been involved to review this edition.