This article is published in association with United Nations.
Devastating floods in South Sudan in recent months left thousands of herders without their most precious possessions: goats, cows and cattle. The animals are central to people’s lives and age-old customs including marriage and cultural traditions. All risk being swept away or scorched by the ravages of climate change.
“Extreme weather and climate change impacts are hitting every single aspect of socio-economic development in Africa and exacerbating hunger, insecurity and displacement,” the UN World Meteorological Organization (WMO) said on Monday.
WMO said that average surface temperature across Africa in 2024 was approximately 0.86°C above the 1991–2020 average.
North Africa recorded the highest temperature change at 1.28°C above the 1991-2020 average, making it the fastest-warming sub-region of Africa.
Marine heat spike
Sea surface temperatures were also the highest on record. “Particularly large increases in sea surface temperatures have been observed in the Atlantic Ocean and Mediterranean Sea,” WMO said.
Data shows that almost the entire ocean area around Africa was affected by marine heatwaves of strong, severe or extreme intensity last year and especially the tropical Atlantic.
Head of WMO, Celeste Saulo, warned that climate change is an urgent and escalating problem across the African continent “with some countries grappling with exceptional flooding caused by excessive rainfall and others enduring persistent droughts and water scarcity”.
El Niño influence
Highlighting Africa’s particular vulnerability to our warming planet – caused mainly by rich nations burning fossil fuels – the UN agency said that floods, heatwaves and droughts forced 700,000 people out of their homes across the continent last year.
WMO also noted that the El Niño phenomenon was active from 2023 into early 2024 and “played major roles in rainfall patterns” across Africa.
In northern Nigeria alone, 230 people died in floods last September that swept across the capital of Borno state, Maiduguri, displacing 600,000, severely damaging hospitals and contaminating water in displacement camps.
Regionally, rising waters caused by torrential rains ravaged West Africa and impacted a staggering four million people.
Conversely, Malawi, Zambia and Zimbabwe suffered the worst drought in at least two decades, with cereal harvests in Zambia and Zimbabwe 43 per cent and 50 per cent below the five-year average, respectively.
Heat shock
Heatwaves are also a growing threat to health and development and Africa, WMO said, noting that the past decade has also been the warmest on record. Depending on the dataset, 2024 was the warmest or second-warmest year.
Blistering temperatures already impact children’s education, with schools closing in March 2024 in South Sudan as temperatures reached 45°C. Worldwide, at least 242 million pupils missed school because of extreme weather in 2024, many of them in sub-Saharan Africa, according to the UN Children’s Fund, UNICEF.
Beyond education, rising temperatures across the continent are making Africa more water-scarce and food-insecure, with North African countries the hardest-hit.
© WMO
Annual Regional mean temperature for WMO RA 1 Africa from 1900-2024.
South Sudan focus
Erratic weather patterns across Africa are also hindering farming, driving food insecurity and displacing people who have already had to flee war already, WMO explained.
Last October, for example, flooding affected 300,000 people in South Sudan – a hefty figure for a nation of 13 million, scarred by years of civil strife and where infrastructure is poor.
The disaster wiped out cattle, adding up to between 30 and 34 million farm animals – roughly two per inhabitant – and stagnant water fuelled diseases. Families who had been self-sufficient had to seek help once again.
“When someone slides back into being fed, it affects their dignity,” said Meshack Malo, South Sudan Country Representative for the UN Food and Agriculture Organization (FAO).
At the forefront of climate change, the troubled East African country is already dealing with a crippling economic crisis, mass displacement made worse by the war in neighbouring Sudan, as well as escalating tensions at home and pervasive violence.
Fighting in Sudan has derailed the South Sudanese economy, which relies on oil exports for 90 per cent of its national revenue, reports indicate.
Destructive cycle
When South Sudan is not hit by floods, it is plagued by drought.
“This cyclic change between floods and drought, makes the country affected almost a good part of the year,” said Mr. Malo.
Flooding has worsened and become more intense and frequent in recent years.
“That means that any short rain then can easily trigger the flooding, because water and the soil remain quite saturated,” Mr. Malo added. “So that intensity and frequency makes this situation worse.”
With road access disrupted for aid trucks, UN agencies such as the World Food Programme (WFP) must airlift food assistance – a costly, impractical solution, as humanitarian funding dwindles.
Pushing back
In the South Sudanese town of Kapoeta, the FAO has helped to reduce the number of dry months from six to two, by harvesting and storing water to protect crops at risk from climate change.
“The impact of drought is no longer felt as much,” FAO’s Mr. Malo said, speaking to UN News from the capital, Juba.
Soundcloud
Worth its salt
In countries that lack water resources for crop irrigation, climate resilience and adaptation are critical, Dr. Ernest Afiesimama of the WMO Regional Office for Africa in Addis Ababa, told journalists.
And while desalination – the process of removing salt from seawater – may be a solution for some, for many African nations it is not viable.
Rather than turning to desalination as a panacea, investing in adaptation measures including early warning systems for action and preparedness is urgently needed, environmental scientists say. “Considering the challenges in sub-Saharan Africa, [desalination] presents a complex economic, environmental and social challenge, and there is a question about its long-term sustainability and equity,” said Dr. Dawit Solomon, Contributor at Accelerating Impacts of CGIAR Climate Research for Africa (AICCRA).
“Africa is facing a high climate change bill. Imagine the continent which is struggling economically and then facing this additional risk multiplier,” Dr. Salomon added.
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