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Case studies

This collection of case studies from across the globe showcases practical, real-world examples of disaster risk management and disaster risk reduction in action.

The need to understand, adapt to, and mitigate disaster risks is greater than ever. These case studies are in-depth studies of a particular case in a real-world context. Each case study highlights unique challenges, innovative solutions, and impactful outcomes, providing insight into the strategies that communities, organizations, and governments have implemented to protect lives, livelihoods, and ecosystems.

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Case study
Africa
Drought and people’s livelihood in the Horn of Africa
This contribution to the GAR Special Report on Drought 2021 is a case study on drought and people’s livelihood in the Horn of Africa. It focusses on communication, awareness and outreach to have a wider reach- localised consistent and common messaging.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Case study
Ethiopia Sudan
Drought, climate variability & climate change: The Blue Nile Case
This contribution to the GAR Special Report on Drought 2021 focusses on climate conditions between upstream and downstream of river basins, hydrological conditions of transboundary river basins and dams in mitigating drought risks.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Case study
India
Drought characteristics over Deccan Plateau Region of India
This contribution to the GAR Special Report on Drought 2021 is a case study on the drought characteristics over the Deccan Plateau Region of India. It focusses on the changing morphology of droughts in the Indian context.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Case study
Algeria Afghanistan
Mediterranean Basin case study
This contribution to the GAR Special Report on Drought 2021 is a case study on the Mediterranean Basin. The Mediterranean basin is characterized by water scarcity, recurrent droughts and impending desertification, which threaten geopolitical stability.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Case study
Angola Tanzania, United Rep of Zambia
Drought disaster risk in Angola, Tanzania and Zambia
This is a contribution to the GAR Special Report on Drought 2021. The study focusses on drought-affected population in Angola, drought-induced crop yield losses in UR Tanzania and drought-related hydropower losses in Zambia.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Case study
United States of America
Changing the slow onset mentality of drought: a case study of flash drought in the United States and the Northern Plains
This contribution to the GAR Special Report on Drought 2021 focusses on flash drought in the United States and the Northern Plains. Drought early warning and information systems must be flexible and receptive toward the integration of new indicators.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Case study
Brazil
Drought impacts and policy responses in Brazil: the case of the Northeast Region
This contribution to the GAR Special Report on Drought 2021 is a case study on the Northeast of Brazil. It focusses on drought impacts and policy responses. Drought has major socio-economic and environmental impacts, especially in the semiarid lands.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Case study
Australia
Australian droughts and progression in drought risk management
This contribution to the GAR Special Report on Drought 2021 focusses on Australia's progression in drought risk management. Drought has long been regarded as a recurring feature of the Australian landscape with impacts on agriculture and food systems.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
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