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Small islands like Maldives may not disappear under rising seas, researchers find
In recent years, the leaders and inhabitants of many small-island nations like the Maldives, Kiribati and Tuvalu have warned that climate change is an existential threat to their homelands, fearing they could disappear under rising seas as the planet warms.
But according to research published on Wednesday, small, low-lying islands dotted around the Pacific, the Caribbean and Asia — often seen as the places most vulnerable to global warming — can naturally adapt and raise themselves above encroaching waves.
A three-year study led by Britain’s University of Plymouth, which looked at coral reef islands such as the Maldives and the Marshall Islands, found that tides move sediment to create higher elevation, a process that may keep the islands habitable.
“The dominant discourse is that of an island drowning, and the outcome of that is coastal defences and relocation … We think there are more trajectories for the islands,” said lead author Gerd Masselink, professor of coastal geomorphology at the University of Plymouth.
Low-lying island states are judged to be at greatest risk from increasingly powerful storms and rising oceans, with some making preparations to resettle their people within decades.
Many are already building sea walls, moving coastal villages to higher ground, appealing for international aid or setting up projects to repair damage caused by climate change impacts.
The world’s tens of thousands of coral reef islands are mostly uninhabited, but are home to about a million people who largely rely on fishing or tourism for a living, said Masselink.
Although the islands have different structures due to varying weather and wave patterns, they tend to be relatively small, low-lying, sandy or gravel islands sitting on top of a living reef platform.
They were formed hundreds of thousands of years ago by waves moving and piling up reef material or sediment to create higher ground — a natural defence mechanism that continues, he noted.
For the study published in the journal Science Advances, scientists built a model coral reef and island in a laboratory tank with rising water levels, and used computer simulations to replicate how such islands respond to higher seas in reality.
The results suggest that by opting for climate-resilient infrastructure that allows for occasional flooding, like buildings on stilts and movable houses, islanders with enough space could adapt to their shifting environment, Masselink said.
Dredging coral sand and sediments found in island lagoons and moving it to beaches could also aid the natural process of raising the islands, he told the Thomson Reuters Foundation.
Sea walls, however, are compromising the natural ability of the islands to adjust to rising sea levels, he said.
“If you stop the flooding of the islands, you also stop the movement of the sediment on top of the island,” he said.
Most coral islands do not depend on agriculture, and import food and fresh water, making saltwater contamination during flooding less of an issue, he noted.
Hideki Kanamaru, natural resources officer with the UN Food and Agriculture Organisation in Asia-Pacific, said the study provided a “new perspective” on how island nations could tackle the challenge of sea-level rise.
But even if islands can adapt naturally to higher seas by raising their own crests, humans still need to double down on global warming and protection for island populations, he added.
Climate change in Maldives
Maldives comprises 1,190 islands in 20 atolls spread over 900km in the Indian Ocean. Of these, just 199 islands are inhabited with a population of slightly over 515,000 people. The highest point of land is two metres or about six feet above sea level.
The atolls of Maldives are ringed by the seventh largest coral reefs in the world and among the richest in species diversity. The reefs host over 1,900 species of fish, 187 coral species, and 350 crustaceans.
Drawn by its pristine beaches, underwater coral reefs, and spectacular marine wildlife, this small island-nation attracts some 1.5 million tourists annually. In recent years, nature-based tourism has served as the engine of growth for the economy and accounts for about 70 per cent of GDP.
Geography has made the Maldives especially vulnerable to the consequences of climate change. Being land scarce and low lying, the country is exposed to the risks of intensifying weather events such as damage caused by inundation, extreme winds, and flooding from storms.
With the melting of polar ice caps, the Maldives is also exposed to the risks of sea-level rise.
Rising sea temperatures also threaten the coral reefs and cause bleaching and death, with the most severe damage in areas that are stressed by pollutants, or damaged by physical disturbance.
Vulnerability to climate change hazards has been magnified by damage to coral reefs which has in turn impaired their protective function, thus a negative cycle of impact.
Note: The above article is largely based on reporting by Reuters. The cover photo has been sourced from Visit Maldives.
Divers from Holiday Inn Resort Kandooma Maldives recorded a whale shark sighting last month during a dive at Kandooma Thila in South Malé Atoll.
The encounter took place on 13 April during a guided dive led by Dive Centre Manager Ibrahim Shaan. The whale shark, estimated to be approximately six metres in length, is believed to be a juvenile aged between eight and 15 years. The animal remained in the vicinity of the divers for more than 30 minutes before leaving the area.
Shaan said the whale shark entered the dive site calmly, circled alongside the group and remained present for an extended period. He described the encounter as one of the most notable experiences observed at the site.
Whale shark sightings are considered uncommon in South Malé Atoll, where the species is not typically resident. They are more frequently associated with the South Ari Atoll Marine Protected Area, one of the primary aggregation areas for whale sharks in the country.
The Maldives is regarded as a key destination for whale shark encounters due to environmental conditions including warm waters, nutrient-rich currents and seasonal plankton blooms. Whale sharks are filter feeders and migrate across large distances, often following food sources.
The sighting at Kandooma Thila is understood to be linked to broader migratory movement through the atoll system, with the animal potentially following plankton concentrations or feeding opportunities created by ocean currents.
Kandooma Thila is known for its coral-covered structure, current-driven conditions and marine biodiversity, factors which may attract larger pelagic species on a temporary basis.
Following the sighting, the resort has submitted photographs and video footage to the Maldives Whale Shark Research Programme (MWSRP) for potential identification through its national database. Whale sharks can be identified through unique spot patterns located behind the gills and along their flanks.
The MWSRP’s Big Fish Network database has recorded more than 800 individual whale sharks in the Maldives, contributing to long-term research on migration patterns, population dynamics and species health.
Sharon Garrett, Director of Marketing and Sustainability at the resort, said the data collected would support ongoing research and conservation efforts. She noted that such information contributes to understanding seasonal movement patterns, assessing environmental conditions and informing marine protection measures.
The resort has also reiterated the importance of responsible interaction with marine wildlife. Recommended practices include maintaining distance, avoiding physical contact, refraining from flash photography and ensuring appropriate buoyancy control.
Boat strike incidents remain a recognised threat to whale sharks in Maldivian waters, highlighting the need for careful vessel operation in areas where marine life is present.
Holiday Inn Resort Kandooma Maldives is located approximately 45 minutes by speedboat from Velana International Airport and provides access to multiple dive sites in South Malé Atoll. The resort also operates a Dive Free programme, offering up to two complimentary dives per day for certified divers staying a minimum of three nights.
Sirru Fen Fushi – Private Lagoon Resort has announced its “Eid in Harmony” programme for Eid al-Adha, scheduled from 27 to 29 May 2026, offering guests a series of curated experiences centred on dining, cultural elements and leisure activities.
The programme is designed to provide a structured yet relaxed approach to the celebration, with a focus on shared experiences and engagement with the island environment. According to the resort, the initiative aims to bring together cultural traditions and hospitality offerings within a resort setting.
A central feature of the programme will be the Eid al-Adha Feast, a dining experience presenting a selection of dishes prepared for the occasion. The event will be set in a themed environment reflecting elements associated with Eid.
The resort will also introduce an “Eid Gift with Purpose” initiative, positioned as a gesture aligned with the values of giving and reflection associated with the occasion.
In addition, guests will have the option to participate in a Guest Archery Competition, offering a recreational activity designed to complement the island setting and provide an alternative form of engagement during the celebration period.
Alongside the programme, the resort has launched an “Eid Island Escape” offer, which includes a range of inclusions for guests staying during the period. These include a 30-minute jet lag recovery massage, daily breakfast at Raha Market, dinner on a dine-around basis across selected restaurants, and a one-time floating breakfast experience.
In a statement, the resort’s management said the programme is intended to reflect the values of togetherness and reflection associated with Eid al-Adha, while offering guests opportunities to spend time with family and participate in shared experiences.
Through the three-day programme, Sirru Fen Fushi – Private Lagoon Resort is presenting Eid al-Adha as a combination of dining, leisure and cultural activities within a resort environment.
Reethi Faru Resort has received Green Globe certification, recognising its compliance with international standards for sustainable tourism.
The certification reflects the resort’s stated commitment to responsible hospitality, with a focus on environmental management, social responsibility and operational practices across the property.
Green Globe certification is awarded following an assessment based on established sustainability criteria and verified through independent third-party audits. The standard reviews performance in areas including environmental management, energy efficiency, resource conservation, community engagement and sustainable operations.
With the certification, Reethi Faru Resort joins a group of hospitality operators worldwide that have met Green Globe’s sustainability requirements and demonstrated an ongoing commitment to improvement in tourism practices.
In a statement, the management of Reethi Faru Resort said the recognition reflects the resort’s continued focus on preserving the natural environment of the Maldives while maintaining the guest experience. The management added that sustainability forms part of the resort’s daily operations.
The Green Globe standard includes more than 40 core criteria supported by over 380 compliance indicators, providing a framework for assessing sustainability performance in the hospitality sector.
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