By Aminu Adamu
One of the deadliest floods in Nigeria’s history struck in 2022, leaving more than 600 people dead, 2,500 injured, and nearly 1.4 million displaced across 33 of the country’s 36 states. A new study published in the Irish Journal of Environment and Earth Sciences describes the catastrophe as both a humanitarian emergency and a stark warning about climate vulnerability in West Africa.
“The floods of 2022 revealed serious weaknesses in Nigeria’s disaster preparedness and response,” wrote Summer Okibe, a researcher at the University of Victoria. “Despite existing early warning systems and government policies, their implementation and effectiveness fell short”.
Triggered by heavy seasonal rainfall and the release of water from Cameroon’s Lagdo Dam, the disaster submerged over 400,000 hectares of farmland, destroyed more than 200,000 homes, and caused economic losses estimated at $3 billion. Okibe’s research highlights that beyond the economic toll, the floods devastated cultural and religious heritage, wiping out parts of the historic Nok Terracotta site and submerging mosques and churches in southern Nigeria. “It feels like a whole part of their identity has been cleared out,” she observed.
Humanitarian organizations, including the Red Cross, Médecins Sans Frontières, UNICEF, and Oxfam, rushed in to provide emergency relief. International donors contributed around $50 million, supplementing Nigeria’s ₦10 billion ($24 million) relief fund. Yet aid workers warned of gaps. Clean water shortages, the spread of cholera and malaria, and inadequate shelter left displaced populations in precarious conditions.
Okibe’s findings point to climate change, rapid urbanization, and environmental degradation as key drivers intensifying Nigeria’s flood risks. The study calls for investments in climate-smart infrastructure, sustainable land use, and community-based disaster management. “By combining improved infrastructure and early warning systems with grassroots resilience, Nigeria can build a more sustainable future for its people and cultural heritage,” Okibe concluded.
As extreme weather events become more frequent across Africa, experts warn that Nigeria’s experience may be a preview of wider regional challenges where climate change, weak infrastructure, and fragile governance collide to deepen humanitarian crises.
