Research briefs
Climate change as large as El Niño in strengthening Hurricane Polo

A study finds that the influence of El Niño is very strong, although smaller than the influence of climate change.

World Weather Attribution
Update
Nepal: Supporting recovery, reconstruction and resilience in Nepal

While Nepal has invested significantly in GLOF monitoring, the August flood has highlighted the need to broaden this effort through earth observation, wider hazard monitoring, risk communication and transboundary data-sharing to identify evolving risks

ODI Global
Institute for Social and Environmental Transition - Nepal
A firefighter surveys wildfire damage in Queensland, Australia
Update
3 things we need to get right ahead of bushfire risk this summer

This summer, Australia could face some of its most extreme bushfire conditions ever, due to the severity of an ever-strengthening El Niño. And for many Australians, memories of catastrophic natural disasters are still painfully fresh.

Conversation Media Group, the
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Disaster Risk Communication Hub: Understand: Consider what influences the issue
Effective disaster risk communication will focus on a clearly defined issue.
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Business case for disaster risk reduction
Investing in disaster risk reduction (DRR) saves lives and money and future-proofs our development gains.
Meetings and conferences
Online
XV Research Conference on Disaster Risk Management 2026
Online, 14 October 2026, 13:30–16:40 Costa Rica time. The University of Costa Rica’s XV Research Conference on Disaster Risk Management presents recent research from Costa Rica, Paraguay, Chile and the United States. Free and open to all.
Japan hosts 2026 tourism resilience working-level meeting on Sendai statement pillar 2UpdateJapan hosts 2026 tourism resilience working-level meeting JTB Tourism Research and Consulting Co.
Weather Changes the Face of a Villag
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Resilience starts at home: housing accounts for more than half of expected annual building losses
Homes account for more than half of the disaster losses expected each year across the world’s building stock, according to global risk modelling provided by the Coalition for Disaster Resilient Infrastructure (CDRI).
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Disaster Risk Communication hub
The risk communication hub aims to support practitioners - from any sector - who are planning public risk communication strategies with the general public.
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Understanding disaster risk: Sovereign risk
Sovereign risk is the financial damage a government faces after a disaster.
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United Nations Plan of Action on DRR for Resilience
The UN Plan of Action on Disaster Risk Reduction for Resilience is the contribution by the UN to ensure the implementation of the Sendai Framework contributes to a risk-informed and integrated approach to the achievement of the 2030 Agenda for Sustainable Development.
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Why risk communication matters for all DRR professionals 
Every professional, from engineers to planners to policymakers, has a role in ensuring that risk knowledge is accessible, trusted, and actionable.
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Subscribe to UNDRR Updates
Sign up to UNDRR newsletters and updates.
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Community section
The PreventionWeb community section is the interactive part of the platform where DRR professionals meet, collaborate, share opportunities, and build partnerships.
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UN Plan of Action 2024 Progress Report
The UN Plan of Action on Disaster Risk Reduction for Resilience is the contribution by the UN to ensure the implementation of the Sendai Framework contributes to a risk-informed and integrated approach to the achievement of the 2030 Agenda for Sustainable Development.
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Disaster losses and damages data use cases
Existing and potential use cases of losses and damages data across a range of different domains are presented as a small demonstration of the many applications available today and anticipated in the future
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Understanding disaster risk: Disaster risk reduction and disaster risk management
The policy objective of anticipating and reducing risk is called disaster risk reduction (DRR). Although often used interchangeably with DRR, disaster risk management (DRM) can be thought of as the implementation of DRR, since it describes the actions that aim to achieve the objective of reducing risk.
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Hubs: tools and knowledge
A central repository of resources, tools, and knowledge aimed at enhancing disaster risk reduction (DRR) and resilience building across the globe.
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Local policies and plans
This page displays local policies and plans on disaster risk, climate adaptation and resilience. Local policies and plans for disaster risk reduction are tailored strategies developed by or for municipal authorities and provincial governments to mitigate and manage the impacts of disasters within their communities.
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Regional policies and plans
This page displays regional policies and plans on disaster risk, climate adaptation and resilience. Regional policies and plans for disaster risk reduction are collaborative strategies developed by countries within a specific region to address and mitigate the impacts of disasters collectively.
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National legal frameworks
This page displays national legal frameworks on disaster risk, climate adaptation and resilience. A national legal framework for disaster risk reduction (DRR) is a comprehensive set of laws, regulations, policies, and institutional arrangements that a country establishes to manage and mitigate disaster risks.
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Intergovernmental declarations
This page displays intergovernmental declarations on disaster risk, climate adaptation and resilience. These declarations typically outline shared goals, principles, and actions that member states commit to implementing to enhance their resilience to disasters. Intergovernmental declarations serve as blueprints for national and local disaster risk reduction policies, fostering international cooperation and ensuring a coordinated effort to mitigate the impact of disasters globally.
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Country risk and governance profiles
Understanding disaster risk is crucial for effectively preventing disasters. This page provides comprehensive and up-to-date risk profiles for countries around the world. The profiles offer in-depth information on risk for each country; they help identify and prioritize risk, guiding risk management. Explore dynamic maps that visualize disaster risks, access detailed reports on each country's vulnerability, exposure, and resilience to various disasters, and understand key indicators and metrics used to assess disaster risk.
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National policies and plans
National strategies set implementation milestones, establish key roles and responsibilities, and identify technical and financial resources. At the same time, the existence of regional/sub-regional strategies and/or legally binding frameworks for disaster risk reduction acts as a significant incentive for the development of DRR strategies at national level.
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Disaster risk solutions
Concrete innovations, inventions, and strategies are reducing the impacts of disasters worldwide. These practical case studies and proven strategies address various aspects of disaster risk.
A woman in Assam, India paddles through flooded water using a makeshift raft (2020)
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Gender Action Plan to Support Implementation of the Sendai Framework for Disaster Risk Reduction 2015–2030
The Sendai GAP aims to accelerate progress towards the mutually reinforcing goals of gender equality and the prevention and reduction of disaster risk by ensuring DRR efforts are gender-responsive, promoting and supporting women’s empowerment and leadership.
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Key concepts
From deterministic and probabilistic risk to intensive and extensive risk, explore key concepts in disaster risk reduction.
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Understanding disaster risk: Approaches and practices
From anticipatory action to scaling up DRR in humanitarian action, explore various approaches used to prevent disasters and reduce risk.
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The disaster risk reduction (DRR) glossary
Get to know the key terms of disaster risk reduction and hazards that might cause disasters. Inform your DRR strategy.
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2025 Hazard Information Profiles (HIPs)
A description of each of the 281 hazard information profiles (HIPs), developed using a consultative process by scientists and experts across the globe.
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Highlights and editors' picks
Top stories and editors picks from the most recent additions.
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Knowledge Base | PreventionWeb
Find here the latest additions to the knowledge base platform of UNDRR. New content is monitored and added on a daily basis.
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Understanding disaster risk: Systemic risk
Systemic risk is associated with cascading impacts that spread within and across systems and sectors (e.g. ecosystems, health, infrastructure and the food sector) via the movements of people, goods, capital and information within and across boundaries (e.g. regions, countries and continents).
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Disaster Risk Communication Hub: Do: Creating Effective Early Warning Messages
Evidence-based guidance for writing early warning messages people understand and act on
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Understanding disaster risk: Anticipatory action
Anticipatory action Anticipatory action allows humanitarians and affected communities to make informed decisions ahead of a humanitarian crisis – saving time and money; preventing displacement, disease, loss of livelihood; and preserving the dignity of those affected. Anticipatory action allows more
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Words into Action
WiA are a series of guidelines, based on global expertise, communities of practice, and networks of Disaster Risk Reduction (DRR) practitioners. The guidelines provide practical, specific advice on implementing a people-centered approach to DRR in line with the Sendai Framework for Disaster Risk Reduction 2015-2030.
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Share your content on PreventionWeb
PreventionWeb features content that helps DRR stakeholders better understand disaster risk and learn from the implementation of DRR strategies, policies and measures.
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Continents and countries
PreventionWeb offers profiles, publications, news, and resources for disaster risk reduction and climate adaptation across continents and countries.
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PreventionWeb: The risk knowledge hub for the global DRR community
PreventionWeb is the global knowledge sharing platform for disaster risk reduction (DRR) and resilience. The site offers a range of knowledge products and services to facilitate the work of disaster risk management and emergency management professionals and is managed by the UN Office for Disaster Risk Reduction (UNDRR).
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Organization directory
Organization profiles of organizations whose work scopes have stakes in the field of disaster risk reduction.
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Meetings and conferences
Meetings and conferences related to topics concerning disaster risk reduction, disaster risk communication, sustainability, resilience, recovery and beyond.
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Theme: Preparedness
Preparedness is the knowledge and capacities developed by governments, response and recovery organizations, communities and individuals to effectively anticipate, respond to and recover from the impacts of likely, imminent or current disasters.
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Hazard: Insect Infestation
Insect infestation An insect pest infestation is a recently detected insect pest population, including an incursion, or a sudden significant increase of an established insect, disease agents or weed population in an area leading to damage to plants in production fields, forests or natural habitats
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Hazard: Heatwaves, extreme heat and heat stress
A heatwave is a marked warming of the air, or the invasion of very warm air, over a large area; it usually lasts from a few days to a few weeks.
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Theme: Gender
Designing, resourcing and implementing gender-sensitive disaster risk reduction policies, plans and programmes. raising awareness of gendered vulnerabilities of men, women and LGBTs, and promoting inclusion and leadership of women and gender minorities in DRR.
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Latest additions
The latest content additions to the PreventionWeb knowledge base.
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UN Resolutions and Reports
Key disaster risk reduction related United Nations (UN) resolutions and reports.
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Educational materials
The latest materials including children's books, textbooks, lesson plans, activities, games, and online resources on disaster prevention and school safety.
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Policies and Plans
This page displays regional, national and local policy documents and declarations on disaster risk, climate adaptation and resilience.
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Collections: Learning from past disasters
Learn from past disasters on the PreventionWeb knowledge base. Εxplore the lessons learned from past disasters, what were the risk drivers, impacts and efforts towards building back better.