A child in Peru stands inside a flood-damaged home.

Bracing for El Niño

The global weather phenomenon known as El Niño is back and stronger than ever, spelling disaster for already vulnerable places across the globe. UNICEF and partners are anticipating emergency needs and working with governments and communities to prepare for the worst. The health, safety and well-being of millions of children are at stake.

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For children in Peru, El Niño isn't coming. It is already here, bringing heavy rains and flooding and disrupting children's daily lives. For many children in affected communities, getting to school, reaching a health center or simply going out to play means getting wet or walking through stagnant water. It means risking exposure to waterborne diseases like dengue and leptospirosis.

Many other countries are already feeling El Niño's effects — and bracing for more. The current El Niño phase is projected to be the strongest on record and last well into 2027, with devastating consequences. "For millions of children in nearly 100 countries and territories, it could mean going without a meal, missing school, being forced to leave home, disease outbreaks, water shortages or exploitation," UNICEF Goodwill Ambassador and climate activist Vanessa Nakate explains. "Acting now can make a difference."

UNICEF is already working with partners to get ahead of the situation and prepare families and communities for what's to come. But more support is needed to fund these efforts.

How El Niño threatens children

A recurring climate phenomenon, El Niño happens when Pacific Ocean surface temperatures surge, shifting weather conditions worldwide and compounding climate risks.

The threats themselves — the periods of extreme heat, the prolonged, severe droughts, the devastating floods — are nothing new. More than a billion children already face at least three overlapping climate hazards at great risk to their health, safety and well-being. But with El Niño, conditions can intensify.

With climate disasters come food and water shortages, leading to more malnutrition and disease outbreaks. Critical infrastructure gets damaged or shut down, disrupting essential services. The local economy takes a hit, and people lose their livelihoods. Forced displacement takes kids out of school, increasing their risks of exploitation.

In already fragile settings, places where humanitarian needs are already high and social services are already overstretched, El Niño impacts only add to the misery. 

Related: Drones and Drought in Sudan

At a displacement camp in Blue Nile State, Sudan, children and mothers fill jugs with safe water at a UNICEF-supported water point.
A UNICEF-supported water point serves children and families at the Karama displacement camp in Damazine, Blue Nile state, Sudan. In Blue Nile and other parts of the country, an El Niño-induced drought amid escalating armed conflict is a double assault. UNICEF is on the ground in Sudan responding to urgent needs while appealing for more support from donors. Learn about ways to help.

How UNICEF is working to protect children from El Niño impacts 

Alongside partners, UNICEF is spearheading anticipatory action focused on helping communities prepare for the worst. Priorities include pre-positioning essential supplies, upgrading critical infrastructure and services to be more climate resilient, strengthening early warning systems and expanding humanitarian cash assistance programs for vulnerable families.

A mother and child in Peru receive a bag of emergency supplies from UNICEF.
UNICEF works with partners to mitigate risks during El Niño by pre-positioning essential supplies, especially in areas that become difficult if not impossible to reach after, say, a flood. Hygiene kits contain soap, toothbrushes, toothpaste, towels, and underwear. Disease prevention and control kits include water tanks for safe storage of water and sodium hypochlorite for disinfection, mosquito nets and other items. Learning kits contain educational materials organized by grade level. School cleaning kits help keep classrooms functioning. Above, a family receives a hygiene kit from UNICEF in Lima Norte, Peru. © UNICEF 2026 

The approach bridges emergency response with longer-term support: contingency planning, readiness assessments, training and other preparedness measures that help ensure that when disaster strikes, essential services that children and families rely on can keep functioning. 

On the ground, activities include mobilizing health teams and stockpiling water, sanitation and hygiene (WASH) kits in high-risk communities — before roads close and needs skyrocket. Disease prevention and control kits include water tanks for safe storage of water and sodium hypochlorite for disinfection, mosquito nets and other items. There are learning kits for different grade levels, from pre-primary through secondary school.

Acting before disaster strikes is critical. UNICEF estimates that every dollar spent on anticipatory action saves $15 in response and recovery costs. Flexible funding is the best way to support UNICEF's global climate resilience building initiatives.

Learn more about how UNICEF is responding to the climate crisis to protect children and UNICEF's call to action for world leaders at this year's UN Climate Change Conference (COP31).

 

TOP PHOTO: In Peru, more than 3 million children and adolescents are at high or very high risk of flooding related to the global El Niño weather pattern. UNICEF is working with the government and other local partners to pre-position supplies, build more resilient water and sanitation infrastructure and strengthen early warning systems, among other preparedness measures. © UNICEF/UNI1025795/Sócola. Video edited by Tong Su for UNICEF USA.

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