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Nearly 250 Million Children Missed School Last Year Because of Extreme Weather, UNICEF Says 

Two maintenance workers clean the tables of one of the classrooms of Zakia Madi middle school, five days before the students return to school, in the village of Dembeni, on the French Indian Ocean territory of Mayotte, on January 22, 2025. (AFP)
Two maintenance workers clean the tables of one of the classrooms of Zakia Madi middle school, five days before the students return to school, in the village of Dembeni, on the French Indian Ocean territory of Mayotte, on January 22, 2025. (AFP)
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Nearly 250 Million Children Missed School Last Year Because of Extreme Weather, UNICEF Says 

Two maintenance workers clean the tables of one of the classrooms of Zakia Madi middle school, five days before the students return to school, in the village of Dembeni, on the French Indian Ocean territory of Mayotte, on January 22, 2025. (AFP)
Two maintenance workers clean the tables of one of the classrooms of Zakia Madi middle school, five days before the students return to school, in the village of Dembeni, on the French Indian Ocean territory of Mayotte, on January 22, 2025. (AFP)

At least 242 million children in 85 countries had their schooling interrupted last year because of heatwaves, cyclones, flooding and other extreme weather, the United Nations Children's Fund said in a new report Friday.

UNICEF said it amounted to one in seven school-going children across the world being kept out of class at some point in 2024 because of climate hazards.

The report also outlined how some countries saw hundreds of their schools destroyed by weather, with low-income nations in Asia and sub-Saharan Africa hit especially hard.

But other regions weren't spared the extreme weather, as torrential rains and floods in Italy near the end of the year disrupted school for more than 900,000 children. Thousands had their classes halted after catastrophic flooding in Spain.

While southern Europe dealt with deadly floods and Asia and Africa had flooding and cyclones, heatwaves were “the predominant climate hazard shuttering schools last year,” UNICEF said, as the earth recorded its hottest year ever.

More than 118 million children had their schooling interrupted in April alone, UNICEF said, as large parts of the Middle East and Asia, from Gaza in the west to the Philippines in the southeast, experienced a sizzling weekslong heatwave with temperatures soaring above 40 degrees Celsius (104 Fahrenheit).

“Children are more vulnerable to the impacts of weather-related crises, including stronger and more frequent heatwaves, storms, droughts and flooding,” UNICEF executive director Catherine Russell said in a statement. “Children’s bodies are uniquely vulnerable. They heat up faster, they sweat less efficiently, and cool down more slowly than adults. Children cannot concentrate in classrooms that offer no respite from sweltering heat, and they cannot get to school if the path is flooded, or if schools are washed away."

Around 74% of the children affected in 2024 were in middle- and low-income countries, showing how climatic extremes continue to have a devastating impact in the poorest countries. Flooding ruined more than 400 schools in Pakistan in April. Afghanistan had heatwaves followed by severe flooding that destroyed over 110 schools in May, UNICEF said.

Months of drought in southern Africa exacerbated by the El Niño weather phenomenon threatened the schooling and futures of millions of children.

And the crises showed little sign of abating. The poor French territory of Mayotte in the Indian Ocean off Africa was left in ruins by Cyclone Chido in December and hit again by Tropical Storm Dikeledi this month, leaving children across the islands out of school for six weeks.

Cyclone Chido also destroyed more than 330 schools and three regional education departments in Mozambique on the African mainland, where access to education is already a deep problem.

UNICEF said the world's schools and education systems “are largely ill-equipped” to deal with the effects of extreme weather.

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Varieties

Rubbish Roads: Nepal Explores Paving with Plastic

This photograph taken on December 26, 2024 shows a worker holding shredded recyclable plastic waste at the Green Road Waste Management processing facility in Pokhara. Cars speeding along a smooth, black-colored street in Nepal's Pokhara are also driving over heaps of discarded plastic, transformed into an ingredient in road construction. (AFP)
This photograph taken on December 26, 2024 shows a worker holding shredded recyclable plastic waste at the Green Road Waste Management processing facility in Pokhara. Cars speeding along a smooth, black-colored street in Nepal's Pokhara are also driving over heaps of discarded plastic, transformed into an ingredient in road construction. (AFP)
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Rubbish Roads: Nepal Explores Paving with Plastic

This photograph taken on December 26, 2024 shows a worker holding shredded recyclable plastic waste at the Green Road Waste Management processing facility in Pokhara. Cars speeding along a smooth, black-colored street in Nepal's Pokhara are also driving over heaps of discarded plastic, transformed into an ingredient in road construction. (AFP)
This photograph taken on December 26, 2024 shows a worker holding shredded recyclable plastic waste at the Green Road Waste Management processing facility in Pokhara. Cars speeding along a smooth, black-colored street in Nepal's Pokhara are also driving over heaps of discarded plastic, transformed into an ingredient in road construction. (AFP)

Cars speeding along a smooth, black-colored street in Nepal's Pokhara are also driving over heaps of discarded plastic, transformed into an ingredient in road construction.

Nepal's urban areas generate about 5,000 tons of solid waste per day, according to the World Bank, of which 13 percent is plastic waste dumped in landfills.

While high-value plastics, like bottles, are absorbed by the recycling industry, low-value plastics -- such as multi-layered packaging -- pose a significant challenge because they don't fit into a single recycling category.

For a group of young Nepali entrepreneurs, the vast accumulation of this low-value plastic waste presented an opportunity.

"A plastic road can use even low-value plastics," said Bimal Bastola, founder of Green Road Waste Management, the organization leading the initiative in Nepal.

"We saw scope for such plastics to be utilized as a raw material, partially substituting bitumen in road construction."

Discarded packages of noodles, biscuits and other snacks move along a conveyor belt at their trash-sorting center.

The divided plastic is then put into machines to be shredded into fine pieces.

Since the early 2000s, neighboring India has been leading the world in building a network of plastic roads, even making the usage of plastic waste mandatory in roads near large cities in 2015.

A growing number of countries are experimenting with it, including nearby Bhutan and Bangladesh.

In traditional road construction, bitumen is the binding material, a tarry oil product mixed directly with hot aggregates before paving a road.

The plastic road method, however, first coats the aggregates with shredded plastic before adding bitumen.

"This method reduces the need for fresh raw materials, lowers costs, prevents water infiltration and increases road lifespan," Bastola said.

Studies show that roads paved with plastic waste can be twice as durable as normal roads.

- 'Scale up' -

Globally, only nine percent of plastic waste is recycled, while 19 percent is incinerated, and nearly half ends up in controlled landfills, according to the Organization for Economic Cooperation and Development (OECD).

Left unchecked, the production of synthetic polymers -- the building blocks of plastics -- is expected to reach about 1.2 billion tons annually by 2060.

The plastic that accumulates in the environment is non-biodegradable, takes hundreds of years to decompose and breaks down into tiny microscopic particles.

And while Nepal banned single-use plastic bags thinner than 40 microns, that ban is not strictly implemented.

For Bastola, increasing plastic road construction is key to making the recycling of low-value plastics economically viable.

His organization says about two tons of shredded plastic is used to build a kilometer of road.

So far, the organization has completed about 10 projects totaling a little over 1.5 kilometers (one mile).

"It is happening at a small scale, we need to scale up," Bastola said. "We have to make government-level projects and we are trying to work closely with the department of roads."

A pilot project is planned this year in the capital Kathmandu at a major intersection.

"Nepal is keen on testing this technology through pilot projects," said Arjun Nepal, an engineer with the Kathmandu road department.

"But to take it forward, we need government-led standards to ensure quality."

The World Bank says life cycle analyses of plastic roads are limited and it is still not clear what environmental impacts -- if any -- recycled plastics may have when used in road construction.

"While initial anecdotes and pilot studies show promise, further research is needed to measure emissions during production, evaluate microplastic release over time and determine how these roads behave once they are decommissioned," said Valerie Hickey, global director of the World Bank's climate change group.

Despite these concerns, environmentalist Bhushan Tuladhar said that plastic roads present an important opportunity for Nepal.

"It is a low-hanging fruit to address two problems simultaneously -- the need for strong roads and the management of plastic waste -- for a developing country like Nepal," he said.