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Published on 31 July 2025
Written by Christian Aid Ireland

Last week, the International Court of Justice (ICJ) delivered a landmark advisory opinion on the obligations of states in respect of climate change, the first such legal ruling ever delivered by the court. Crucially, for the first time, the world’s highest court clarified that all states have clear obligations under international law to address the climate crisis. 

Christian Aid Ireland’s Policy & Advocacy Officer Ross Fitzpatrick welcomed the ruling, saying: “The Court has made it unequivocally clear that those most responsible for causing the climate crisis are legally bound to take action, can be held accountable for inaction, and may be required to provide reparations to those most affected.” 

While this ruling is as a landmark moment for climate justice and has the potential to spur much needed climate action, many of the world’s poorest countries, who are least responsible for causing the climate crisis, continue to bear its worst impacts. 

Christian Aid and our local partners see this firsthand in our day to day work supporting families to adapt to increasingly frequent extreme weather such as flooding and droughts as well as being there to help them pick up the pieces in the aftermath of climate disasters.  

Fifty one-year-old Mikail Malik Abdulhameed in northeast Nigeria is one of those who Christian Aid has supported.  Mikail lives with his wife and their six children in the village of Zannari which sits north of Maiduguri, in the Mafa local government area of Borno state. Mikail has lived in Zannari for around 17 years but is originally from a neighboring state where sadly violence left a lasting mark on him and caused him to leave.  

"I used to be a farmer in Adamawa State, but I stopped after witnessing my father's murder. This traumatic experience resulted in a stroke that affected my left side, including my leg and left hand.” 

Mikail built a new life for himself as a businessman in Zannari where he owns a food shop in front of his house to earn an income. He also owns a half an acre of land that he farms. But in September 2024, crisis would strike again for Mikail when his community was devastated by a severe flood that swept through the area.  

“Initially, people tried to barricade their doors with sandbags but the floodwaters surged with such force that it was impossible to stop them from entering their homes. I struggled to step outside as the water filled nearly every space. I’m grateful that people helped me out despite my disability; I survived when many others with similar conditions did not," Mikail recalled. 

Image credits and information i
A resident of Zannari showing staff from Christian Aid’s local partner COWACDI the extent of the damage caused by the flood to their property. Credit: Haruna Muhammad
Man and woman standing amongst rubble

Mikail recounted the terrifying experience of his family having to flee their home to take shelter in a school that had become a makeshift displacement camp as floodwaters began rapidly rising all around them.  

“Those with cars had to abandon them and flee on foot. We fled to the bush, our clothes soaked, clutching a few food items. Within ten minutes, the water level reached our chests. Even in the bush, we were terrified as the water continued to rise, and we had nowhere to sleep amidst swarms of mosquitoes without nets. We felt unsafe in the darkness and feared snake bites. Eventually, we returned and made our way to the Kaleri camp." 

Mikail said he can’t recall flooding of a similar scale happening for decades.  

“I remember a similar flood that occurred 30 years ago, but aside from that, I had not witnessed flooding of this magnitude.” 

Nigeria was hit hard by the climate crisis in 2024. The country is one of Africa’s most flood prone and last year saw 34 out of its 36 states flooded, with Borno state the worst impacted. In 2024, over 3 million people across the country were impacted by floods that killed 1,000 people and displaced around two million others. In September 2024, Maiduguri in northeast Nigeria’s Borno State faced the worst flash floods in over 30 years, with heavy rains causing the Alau Dam to collapse, affecting half a million people and displacing more than 400,000.

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Another resident of Zannari showing staff from Christian Aid’s local partner COWACDI the extent of the damage caused by the flood to their property. Credit: Haruna Muhammad
Man pointing at rubble in front of another man

Mikail’s family were amongst those who ended up seeking refuge in a school that had become a makeshift shelter. But the family’s difficulties did not end there.  

His children had caught a fever as result of their time in the bush and while in the camp, the family endured overcrowding and the spread of diseases, as well experienced water shortages. In Borno, Yobe and Adamawa states in northeast Nigeria, the flooding led to outbreaks of cholera. In Borno state, the Mafa area was amongst the worst affected. 

“We encountered many challenges at the school camp. Water scarcity became an issue as the price of purified water surged from 10 Nigerian Naira to 30, with some vendors charging 40 per sachet. With limited funds, we had to manage by rationing water and sharing a single sachet between two people,” Mikail said. 

“While we were there, there were outbreaks of cholera, fever, and malaria, which prompted our return home,” he added. 

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Mikail pictured alongside Haruna Muhammad from Christian Aid’s local partner COWACDI recalling his excitement upon receiving the news that his family would receive cash support. Credit: Joel Joshua/ COWACDI.
2 men sitting and talking

Mikail’s family stayed in the school for four days waiting on the floodwater to recede but they still faced many challenges upon their return home. The floodwaters damaged their home and their crops right before they were due to be harvested.  

“The flood destroyed our belongings, especially the inventory in my shop; some items were washed away and others were damaged. I had three sheep and lost one in the flood. I'm not sure if the other two were stolen or swept away. The flood also damaged our beans and groundnut crop,” Mikail said. 

“The situation worsened after the flooding; prices of goods soared. Since the flooding, my family and I have been struggling with hunger,” he added.  

Thanks to funding from Irish Aid, Mikail’s family were among almost 550 flood affected families to receive cash support from Christian Aid’s local partner Concern for Women and Child Development Initiative (COWACDI) to help them cope with the devastating flood. Each family received around €40 in the local currency per month for two months to help them buy food, medicine and other essentials as well as to be used towards repairing damage caused to their homes. 

“I bought food, a bag of cement and sand. I also hired a laborer and carpenter to begin renovating the damaged areas of our home. We also bought zinc roofing with the money,” Mikail said. 

“I am grateful for the support from Christian Aid, Irish Aid and COWACDI. Without this support, our situation would have deteriorated significantly. I truly believe we would have died. May God bless you.” 

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