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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.
The Westin Maldives Miriandhoo Resort has introduced its Family Fun Summer offer, aimed at families seeking longer island stays built around shared activities and rest. The offer is available for booking from 15 April to 15 June 2026, with a minimum stay of four nights for travel through to 20 December 2026.
Located within Baa Atoll, the Maldives’ first UNESCO Biosphere Reserve, The Westin Maldives Miriandhoo Resort is positioning the offer around family wellness, marine experiences and time spent together in a natural island setting. Seasonal snorkelling with manta rays in Hanifaru Bay remains one of the area’s key attractions, while the resort’s collection of beach and overwater villas is designed to accommodate families looking for space and flexibility during their stay.
For larger families and groups, the resort also offers the two-bedroom Heavenly Beach Residence, which includes a living room, kitchen and dining area intended to support longer and more relaxed island stays.
The resort says the guest experience can be shaped around both activity and downtime, supported by Westin’s Sleep Well concept and Heavenly Bed. Children have access to the Westin Family Kids Club, which includes a children’s pool and pirate ship, while parents can make use of Heavenly Spa by Westin.
Away from the villa, the resort is also promoting shared family experiences through Good Travel with Marriott Bonvoy activities focused on the culture and environment of Baa Atoll. These include traditional lacquer craft workshops, visits to local islands and guided marine activities in surrounding waters.
The Family Fun Summer package includes three meals per day, with children under 12 dining free of charge. It also includes a one-time dolphin cruise for two adults and two children, a 30-minute photography session with one printed photo, and a USD 150 resort credit.
Reethi Faru Resort has been recognised at the 2026 Haute Grandeur Global Excellence Awards, receiving honours in four categories: Best Beach Villa in Indian Ocean, Best Pool Villa in Indian Ocean, Best Eco-Friendly Resort in Maldives, and Best Sustainable Hotel in Maldives.
The awards recognise performance across villa accommodation and environmentally focused hospitality, reflecting the resort’s emphasis on guest experience alongside sustainability and environmental stewardship.
According to the resort, the recognition supports its positioning within the Maldives market as a property that combines natural surroundings, accommodation standards and responsible hospitality practices.
Located on Filaidhoo in Raa Atoll, Reethi Faru Resort features 145 villas, including beachfront and overwater accommodation designed in a style that combines Maldivian elements with contemporary comfort.
The resort’s food and beverage offering includes six restaurants and six bars, while its leisure facilities cover watersports, diving, yoga, spa treatments and fitness activities. Surrounded by coral reefs, the resort also offers guests access to marine-based experiences in the Indian Ocean.
Sustainability remains a central part of the resort’s operations, with initiatives that include coral reef restoration and guest experiences linked to environmental awareness.
Through its recognition at the 2026 Haute Grandeur Global Excellence Awards, Reethi Faru Resort has added to its profile as a Maldives resort with a focus on both accommodation standards and sustainability.
To mark Earth Day, Sun Siyam Olhuveli, part of the Lifestyle Collection within the House of Siyam, launched its new marine conservation initiative, the Adopt A Coral Frame experience, during a morning event held on 22 April at Milano Beach on Dream Island.
The initiative forms part of the resort’s wider marine conservation efforts and is designed to give guests a direct way to engage with coral restoration while supporting the protection of the surrounding reef ecosystem.
During the launch, guests were introduced to the coral restoration process through a hands-on experience that explained how new coral growth can be supported through frame-based planting. Under the programme, guests are invited to select and adopt a coral frame, attach healthy coral fragments to it, and take part in placing it within the lagoon to help form a new reef structure.
The process begins with the collection of healthy coral fragments under the guidance of the resort’s marine biologist. These fragments are then secured to specially designed coral frames and placed in selected areas within the resort’s coral garden, where conditions are intended to support growth and marine biodiversity. Guests who adopt a frame will also receive updates on its progress, including photographs shared every six months.
The resort said the programme is intended to make coral conservation more accessible to guests while also highlighting the role of reefs in supporting marine life, protecting coastlines and maintaining ocean ecosystems.
Chaminda Upul, Group Sustainability Manager for Sun Siyam, said the initiative was designed to give guests an opportunity to contribute in a direct way.
“Earth Day is a reminder that even the smallest actions can shape something far greater,” he said. “With Adopt-A-Coral Frame, we wanted to create an experience where our guests can leave a positive mark on the ocean. It’s simple, it’s meaningful, and it stays with you.”
Hassan Adil, General Manager of Sun Siyam Olhuveli, said the resort wanted to create an experience that combines guest participation with long-term environmental value.
“At Olhuveli, we believe the best experiences are the ones that stay with you long after you leave. Adopt-A-Coral is our way of inviting guests to be part of something lasting, while caring for the natural beauty that makes this place so special,” he said.
Part of the proceeds from each coral adoption will go towards Sun Siyam Care, the group’s sustainability platform, supporting marine conservation and reef restoration efforts.
Through the launch of Adopt A Coral Frame, Sun Siyam Olhuveli is combining guest experience with reef restoration, reflecting a wider focus on environmental engagement within its island operations.
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