In the Marshall Islands, where the land averages only 7 feet (2 meters) above sea level, people are acutely aware of climate change.

Their ancestors have lived on this string of Pacific islands for thousands of years. But as sea level rises, storms more easily flood communities and farmland with saltwater. Warming ocean water has triggered mass coral-bleaching events, harming habitats that are important for both tourism and fish that the islands’ economy relies on.

If the world fails to rein in the greenhouse gas emissions driving climate change, studies suggest low-lying islands like these could be uninhabitable within decades.

Marshall Islands President Hilda Heine talks about climate risks to her homeland while in New York for the United Nations General Assembly in September 2025.

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