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A group of children sit near a garden in Tamasgo Primary, in Burkina Faso, which is one of the most climate-vulnerable countries in the world. Credit: UNICEF Office in Burkina Faso

UNITED NATIONS, Jun 16 2026 (IPS) - A new report from the United Nations Children’s Fund (UNICEF) highlights the vast, overlapping climate threats affecting children worldwide, which is leaving them increasingly vulnerable to escalating risks across health, security, and education.

The report, Children’s Climate Risk Report , emphasizes that while these risks are most pronounced in heavily vulnerable regions in the Global South—such as South Asia and sub-Saharan Africa—nearly half of the world’s children are exposed to at least three climate hazards, with some exposed to as many as six at once.

“Across the globe, millions of children are now facing multiple climate threats without the necessary services to cope,” said UNICEF Executive Director Catherine Russell. “They are experiencing extreme heat that causes heatstroke and dehydration. Their homes and schools are being destroyed by storms and floods. Devastating droughts are limiting their access to food and water. And in many cases, the intensity of these hazards is increasing with each passing year.”

“We must invest more in adapting essential services to the impact of climate change,” Russell added. “Through political will, partnerships, and collaboration with young people, the case studies in this report prove that progress is possible. But the scale and ambition of action must be rapidly accelerated to ensure that every child is protected from climate impacts.”

According to UNICEF’s findings, nearly every child globally is now affected by air pollution. Additionally, over 296 million children live in areas that are exposed to a dangerous combination of prolonged drought, extreme heat, and heatwaves, while another 115 million simultaneously face droughts, extreme heat, and tropical storms.

The agency stresses that these risks often overlap across multiple regions, noting that riverine and coastal floods, fires, and sand and dust storms have caused widespread displacement, disruptions to livelihoods and schooling, the spread of infectious diseases, or various forms of health and food insecurity.

Nowhere are the consequences of these overlapping threats more evident than in sub-Saharan Africa and South Asia, which have been described by climate experts as the two most climate-vulnerable regions in the world. These regions are at a heightened risk primarily due to high environmental exposure and a limited capacity to respond. The resulting shocks overwhelm local health systems, cripple fragile infrastructure, and leave entire communities deprived of basic, lifesaving services.

The report notes that over 4 million children in the Sahel region are exposed to heatwaves, extreme heat, and sand and dust storms. Meanwhile, South Asian countries like Bangladesh, Myanmar and Pakistan, face more hazards at once and at higher intensities than anywhere else in the world.

“While some countries may face a single devastating event, such as a tropical storm that can wipe out an entire island, many countries in Asia are dealing with a combination of threats, from floods and storms to extreme heat,” Rohini Sampoornam Swaminathan, UNICEF Statistics and Monitoring Manager, tells Inter Press Service. “Children may cope with one or two shocks, but after three, four or five, families’ ability to respond becomes severely strained. Moreover, risk is not only about exposure to hazards, but it is also about the availability and accessibility of essential services. For children without reliable access to health care, nutrition, or water and sanitation, even a moderate flood or heatwave can become life‑threatening.”

On 20 January 2026, an aerial view of the flooded Xai Xai village after extreme rainfall in Gaza Province, Mozambique. Credit: UNICEF/Guy Taylor

According to the report, in 2024, approximately 634 million children lacked access to safe drinking water, over 1 billion lacked access to sanitation services, and 489 million lacked access to basic hygiene services. Currently, nearly 160 million children live in areas where water systems are severely strained, and droughts are extremely pronounced, while another 270 million children live in flood-prone zones where less than half of the population has access to adequate sanitation.

As a result, the World Health Organization (WHO) projects that there could be over 250,000 additional yearly deaths by the 2030s from malaria, diarrhoea, heat stress, and undernutrition. These consequences are dire for children, particularly those living in fragile contexts where health systems and local infrastructures are stra…