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Small Island Developing States

Disaster risk management, disaster risk reduction, disaster preparedness and long-term recovery in the context of Small Island Developing States (SIDS). Τhis theme covers the unique and particular vulnerabilities of SIDS as well as SIDS’ exposure to climate hazards and sea-level rise.

Latest Small Island Developing States additions in the Knowledge Base

The 2025 small island developing states report of the Lancet Countdown on health and climate change: building resilience in the face of rising heat thumbnail
Documents and publications

This 2025 Lancet Countdown report finds rising heat, drought and climate-related health risks are threatening SIDS, while adaptation and climate finance efforts remain insufficient.

The Lancet Global Health
Farmers irrigating in an African farm
Update

Despite the challenges it faces and the limited resources at its disposal, the Government of the Union of the Comoros is working to protect hard-earned development gains and chart a course to a low-carbon, climate-resilient future.

United Nations Development Programme (UNDP)
Meetings and conferences
Online
Scaling adaptation finance is an urgent priority for climate-vulnerable countries – particularly LDCs and SIDS. This webinar brings together new evidence and real-world experience to explore what is working – and what needs to change.
Damaged buildings in Kingston Jamaica in aftermath of Hurricane Melissa
Last updated 31 Mar 2026
Hurricane Melissa was a Category 5 storm that devastated communities across Jamaica, Cuba and Haiti in October 2025. First making landfall on the south coast of Jamaica, Melissa was one of the most powerful landfalling hurricanes ever recorded.
Fragile prosperity: Natural disasters and economic growth in small island developing states  thumbnail
Documents and publications

Climate-related disasters significantly hinder medium-term economic growth in Small Island Developing States, exposing structural vulnerabilities and the need for greater economic diversification and resilience.

United Nations Conference on Trade and Development (UNCTAD)
Meetings and conferences
Online
The joint CDRI-ADB Dialogue Series on the topic of Building Resilience of Infrastructure in Atoll Nations represents a collaborative initiative to address the most pressing infrastructure challenges in faced by these countries.
Villagers on Tanna Island, Vanuatu, perform traditional ceremonies in the shadow of Mt Yasur, an active volcano.
Maëlle Calandra
Maëlle Calandra, a disaster anthropologist and a research fellow was interviewed by PreventionWeb to find out how disasters on the island of Tongoa and the socio-cultural realities of its people interact in such a hazard-prone area.
SIDS4: Ensuring a Multi-hazard approach in the implementation of the Early Warning for All Initiative (EW4ALL)
Update

The World Bank has developed an approach called the Transport Infrastructure Lifecycle Framework to support SIDS enhance the resilience of their road, maritime, and aviation sectors.

Global Center on Adaptation
Journalists are discussing with Port Louis engineers during a field visit in the context of a workshop on risk communications in Mauritius, 27-29 October 2025.
Update

UNESCO, the African Union of Broadcasting (AUB), and UNDRR joined forces to support media organizations in four African SIDS - Cabo Verde, Comoros, Mauritius, and São Tomé and Príncipe.

United Nations Office for Disaster Risk Reduction (UNDRR)
Update

Low-lying atoll islands are among the most vulnerable places on Earth due to rising sea levels and, when they flood, it is disruptive and potentially hazardous.

University of Plymouth
Satellite infrared image Hurricane Melissa
Update

Headlines have been filled with talk of the catastrophic power of Hurricane Melissa after the Category 5 storm devastated communities across Jamaica, Cuba and Haiti in October 2025.

Conversation Media Group, the
Update

Increasingly frequent climate disasters wipe out years of progress in small island developing states, forcing them into increasingly costly borrowing to fund their recovery.

Conversation Media Group, the
Case study
Location: Timor-Leste SIDS (Small Island Developing States) LDCs (Least Developed Countries)
UNDRR led a comprehensive assessment of loss and damage data collection practice in Timor-Leste that informed a methodology and procedural guidance for improved accounting for disaster loss and damage.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
Empty pier in Varadero, Cuba and a lighthouse in the background.
Update

Hurricane Melissa shows what academics studying disasters have long emphasised: disasters are shaped as much by social vulnerability and governance as they are by violent winds.

Conversation Media Group, the
Unheard voices: The critical role of nurses and midwives in climate resilience and disaster preparedness in Small Island Developing States thumbnail
Documents and publications

Nurses and midwives are crucial frontline responders, leading disaster preparedness, emergency care, and community recovery. This paper highlights their leadership, resilience, and innovation in addressing the health impacts of climate-related disasters.

Nursing Outlook (Elsevier)
Satellite infrared image Hurricane Melissa
Update

As predicted and feared, Hurricane Melissa has become a formidable hurricane in the central Caribbean that is positioned to wreak havoc over Jamaica.

Yale Climate Connections
Update

Early warning systems and robust climate information and monitoring are crucial to protecting human and physical capital in Small Island Developing States (SIDS) from the damage wrought by extreme weather events.

Global Center on Adaptation
woman selling fish on the sidewalk
Documents and publications

This report presents innovative solutions and policy recommendations aimed at building resilience in Small Island Developing States (SIDS).

Global Center on Adaptation
Case study
Location: Trinidad and Tobago
UNDRR delivered technical assistance to Trinidad and Tobago, conducting workshops and capacity development activities. The collaboration resulted in an upgraded NAP that aligns DRR and CCA strategies, increasing policy efficiency and resilience.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
  • Trinidad and Tobago - government
Drone aerial video of Rangiroa atoll island motu and coral reef in French Polynesia, Tahiti.
Ilan Kelman Frederick H. Damon Dirk H. R. Spennemann Julius Riese
The usual tsunami advice to move inland and to move to high ground might not be possible for many atolls. Generic, international, trans-oceanic warnings need to become locally meaningful. What advice should be given for surviving tsunamis?
Compound and cascading effects of climatic extremes on dengue outbreak risk in the Caribbean: An impact-based modelling framework with long-lag and short-lag interactions thumbnail
Documents and publications

This study highlights the potential value of incorporating interaction terms in prediction models to account for the compound and cascading effects of climate on disease risk, which could enhance model explainability and predictive performance.

The Lancet Public Health
The ancient moai on Easter Island 2,000 miles off the coast of Chile at sunset
Research briefs

By 2080 rising sea levels could cause seasonal waves to reach Ahu Tongariki, the iconic ceremonial platform that is part of the Rapa Nui National Park, a UNESCO world heritage site.

University of Hawai'i
Early Warning system in Barbados
Update

A four-year regional project has strengthened the Pacific’s ability to anticipate, respond to, and recover from weather- and climate-related hazards.

World Meteorological Organization (WMO)
Case study
Location: Micronesia, Fed States of
Five Micronesian SIDS teamed up under the UN MCO to share data, traditional know-how and funding ideas. Joint workshops produced Sendai-aligned DRR strategies and peer learning, proving regional collaboration multiplies island resilience.
  • United Nations Office for Disaster Risk Reduction (UNDRR)
  • United Nations Development Programme (UNDP)
Update

Australia's new Pacific Engagement Visa (PEV) lottery allows Pacific Islanders, whose coastal homes are sinking under rising seas because of climate change, to apply to become permanent residents each year.

Context
Cover
Documents and publications

The paper analyzes infrastructure resilience in Small Island Developing States using the Global Infrastructure Risk Model and Resilience Index (GIRI).

Coalition for Disaster Resilient Infrastructure (CDRI)
Retro vintage transistor radio on a window side
Update

In a region prone to natural hazards, community and public broadcasters serve as lifelines. They deliver early warnings, real-time updates, and critical preparedness information, often to remote communities with limited internet access.

United Nations Educational, Scientific and Cultural Organization (UNESCO)
Update

Plastic pollution is a global crisis that transcends borders and bodies of water. A simple bottle or wrapper transforms into a silent contributor to environmental degradation and potential health risks for human populations, even on distant shores.

United Nations Development Programme (UNDP)
Update

Recognising the existential threats of climate change impacts to its economy and society, Fiji has been proactively exploring holistic pathways to addressing this global crisis, most notably by establishing robust regulatory and legal frameworks

SLYCAN Trust
Vanuatu people standing outside a bamboo house in the village
Update

Tailored support is on the way for the Small Island Developing State as Vanuatu becomes the first country matched with technical assistance through the network.

Santiago Network
Update

Coastal engineers say places like the Netherlands have long used engineering to hold back the sea from low-lying land—and that the Pacific could do the same. But researchers say seawalls are usually a costly, short-term fix in a region with limited money.

Australian Broadcasting Corporation
Aerial view of coastline of the Seychelles.
Update

Atoll islands with healthy ecosystems are less likely to disappear as oceans rise, research shows. Now, scientists are using nature-based solutions — like restoring coral reefs and native forests — to improve the odds for more vulnerable islands.

Yale Environment 360
Aerial view of coastline of the Seychelles.
Update

A new highlights the potential of nature-based solutions, coastal protection measures, and island-specific adaptation plans to address the Maldives'

World Bank, the
Update

In a bid to promote sustainable environmental stewardship and climate resilience, a pioneering five-year project titled “Mainstreaming Nature-Based Solutions in Land-Use Systems for Productive and Resilient Ecosystems.” was launched today.

Mauritius - government
Melanesia, Papua New Guinea
Update

Papua New Guinea's (PNG) most vulnerable communities will soon benefit from strengthened disaster preparedness with the launch of a new initiative to predict and respond to natural disasters.

Pacific Community
Hurricane Irma traverses the Eastern Caribbean in this satellite view
Update

In the face of mounting disaster risks and with the memory of Hurricane Irma still vivid, Sint Maarten has taken a decision to build a comprehensive approach to disaster risk finance to bolster the island's financial preparedness to natural disasters.

World Bank, the
An aerial view of Aldabra Atoll in Seychelles
Research briefs

Coastal models enhance understanding of future flooding frequency on atoll islands, paving the way to explore the limits of adaptation in the face of rising sea levels and climate change.

Eos - AGU
Update

Innovative solutions are needed to allow small island nations to manage debt and build climate resilience as global funding declines.

Context
Update

A Ha’apai resident speaks of her experience during the volcanic eruption in 2022 in Tonga, and what some of the signs were prior to the event. A Tongan resident also shares how they felt well prepared before a recent strong earthquake in the country.

Australian Broadcasting Corporation
Update

Tonga Broadcasting Commission explains how Tongan communities, still dealing with the psychological scars of the 2022 volcanic eruption and tsunami, have responded to recent earthquake activity in the country.

Australian Broadcasting Corporation
Cover
Documents and publications

The study notes that despite differences between individual SIDS and across regions, SIDS as a group face some of the highest debt burdens of all groups of developing countries.

ODI Global
Update

Reliving the memories of tropical cyclone Winston in Fiji from 2016 and how that natural disaster changed the way people think about preparedness.

Australian Broadcasting Corporation
Meetings and conferences
-
Online
These two global online webinars being organised by the UNESCO-IOC aim to provide a brief on the report on ‘Monitoring and warning for tsunamis generated by volcanoes’ (IOC/2024/TS/183) and its recommendations.
SIDS4: Ensuring a Multi-hazard approach in the implementation of the Early Warning for All Initiative (EW4ALL)
Update

ADB’s Triple A initiative empowers atoll nations to tackle climate change and secure a resilient future through transformational adaptation strategies.

Development Asia
An aerial view of Aldabra Atoll in Seychelles
Opportunities

The 15th International Conference of the International Society for Integrated Disaster Risk Management will be held in Samos, Greece, on September 28 – October 1, 2025. It will address disaster risk reduction and management in islands and remote areas.

Integrated Disaster Risk Management Society
Update

The Green Climate Fund (GCF) has approved an unprecedented US$103.2 million in grant financing to scale up life-saving early warning systems in seven of the world's most climate-vulnerable countries.

United Nations Development Programme (UNDP)
View from space on Fiji in Melanesia in the South Pacific Ocean and its coral reefs
Opportunities

Are you a young leader passionate about climate mobility? Apply now for the Climate Mobility Fellowship (CMF) 2025-2026 and gain the tools, networks, and expertise to drive impactful solutions in the field of climate mobility!

Global Centre for Climate Mobility (GCCM)
World map
Update

UNDRR, in its role as co-chair of the IBC alongside UNEP, has undertaken a meticulous mapping exercise, identifying 132 initiatives and actions led by 11 UN agencies.

Issue-based Coalition on Climate Change and Resilience
Update

Agri-food systems in SIDS are failing to provide nutritious, diverse and affordable diets, while also harming fragile island ecosystems through deforestation and pollution. These systems receive little attention in global climate negotiations.

ODI Global
An aerial view of Aldabra Atoll in Seychelles
Research briefs

The geomorphology of a protected atoll likely contributed to Aldabra's ability to maintain its shoreline over a turbulent half-century.

Eos - AGU