Rapid urbanization and growing populations have put tremendous pressures on limited global housing stocks. As the frequency of disasters has increased with devastating impacts on this limited stock of housing, the discourse on post-disaster housing recovery has evolved in several ways. Prior to the 1970s, the field was largely understudied, and there was a narrow understanding of how households and communities rebuilt their homes after a catastrophic event and on the effectiveness of housing recovery policy and programs designed to assist them. Early debates on post-disaster housing recovery centered on cultural and technological appropriateness of housing recovery programs. The focus on materials, technology, and climate missed larger socioeconomic and political complexities of housing recovery. Since then, the field has come a long way: current theoretical and policy debates focus on the effect of governance structures, funding practices, the consequences of public and private interventions, and socioeconomic and institutional arrangements that effect housing recovery outcomes. There are a number of critical issues that shape long-term post-disaster housing recovery processes and outcomes, especially in urban contexts. Some of them include the role of the government in post-disaster housing recovery, governance practices that drive recovery processes and outcomes, the challenges of paying for post-disaster housing repair and reconstruction, the disconnect between planning for rebuilding and planning for housing recovery, and the mismatch between existing policy programs and housing needs after a catastrophic event—particularly for affordable housing recovery. Moreover, as housing losses after disasters continue to increase, and as the funding available to rebuild housing stocks shrinks, it has become increasingly important to craft post-disaster housing recovery policy and programs that apply the limited resources in the most efficient and impactful ways. Creating housing recovery programs by employing a needs-based approach instead of one based solely on loss could more effectively focus limited resources on those that might need it the most. Such an approach would be broad based and proportional, as it would address the housing recovery of a wide range of groups based upon their needs, including low-income renters, long-term leaseholders, residents of informal settlements and manufactured homes, as well as those with preexisting resources such as owner-occupant housing.
Emergency and disaster planning involves a coordinated, co-operative process of preparing to match urgent needs with available resources. The phases are research, writing, dissemination, testing, and updating. Hence, an emergency plan needs to be a living document that is periodically adapted to changing circumstances and that provides a guide to the protocols, procedures, and division of responsibilities in emergency response. Emergency planning is an exploratory process that provides generic procedures for managing unforeseen impacts and should use carefully constructed scenarios to anticipate the needs that will be generated by foreseeable hazards when they strike. Plans need to be developed for specific sectors, such as education, health, industry, and commerce. They also need to exist in a nested hierarchy that extends from the local emergency response (the most fundamental level), through the regional tiers of government, to the national and international levels. Failure to plan can be construed as negligence because it would involve failing to anticipate needs that cannot be responded to adequately by improvisation during an emergency. Plans are needed, not only for responding to the impacts of disaster, but also to maintain business continuity while managing the crisis, and to guide recovery and reconstruction effectively. Dealing with disaster is a social process that requires public support for planning initiatives and participation by a wide variety of responders, technical experts and citizens. It needs to be sustainable in the light of challenges posed by non-renewable resource utilization, climate change, population growth, and imbalances of wealth. Although, at its most basic level, emergency planning is little more than codified common sense, the increasing complexity of modern disasters has required substantial professionalization of the field. This is especially true in light of the increasing role in emergency response of information and communications technology. Disaster planners and coordinators are resource managers, and in the future, they will need to cope with complex and sophisticated transfers of human and material resources. In a globalizing world that is subject to accelerating physical, social, and economic change, the challenge of managing emergencies well depends on effective planning and foresight, and the ability to connect disparate elements of the emergency response into coherent strategies.