When torrential rains battered South Africa’s KwaZulu-Natal province in April 2022, the destruction was almost biblical. Floodwaters tore through the coastal city of Durban, killing more than 500 people, displacing tens of thousands, and drowning factories and neighbourhoods alike.
Now, three years later, the legacy of that disaster has spilled into court. In a legal move that could reverberate far beyond South Africa, two insurers have filed lawsuits against state entities, seeking billions of rand in damages for the business losses they were forced to cover.
In July, Tokio Marine and Nichido Fire Insurance, the Japanese group that insured Toyota South Africa Motors, lodged a claim of 6.5 billion rand, about US$368 million, against the eThekwini Municipality, the KwaZulu-Natal Department of Transport and Transnet, the state-owned logistics company. The automaker’s sprawling Durban plant was inundated, forcing a three-month shutdown and the scrapping of roughly 4,000 vehicles.
A second case followed in August, when the insurers of packaging companies Corruseal Properties and Corruseal Corrugated KZN filed a claim of 540 million rand, about US$30 million, against the same defendants.
The central allegation: government entities failed to maintain stormwater canals and drainage systems, amplifying the scale of the destruction.
For the insurers, the lawsuits hinge on a familiar principle of tort law - negligence. They argue that foreseeable risks became catastrophic losses because the infrastructure designed to channel floodwaters was neglected.
What makes these cases different is the way they intertwine negligence with climate attribution. Scientific studies concluded that the rainfall in Durban was between 40 and 107 percent heavier than it would have been without human-driven climate change. Warm sea currents, shifting wind patterns and a moisture-laden atmosphere combined to deliver record-breaking downpours.
That evidence strengthens the insurers’ claim that extreme events were foreseeable - and that governments must prepare infrastructure to withstand them. Still, the legal bar remains high. Courts in South Africa have historically been reluctant to find municipalities liable when natural forces are deemed the overriding cause.
The insurers must clear several obstacles. South African law requires that state entities be given notice within six months before they can be sued, a procedural deadline that has undone past flood claims. They must also prove which branch of government was actually responsible for the infrastructure that failed.
And they must convince the court that officials not only should have anticipated the damage but also failed to take reasonable measures to prevent it. That standard could prove contentious: must a city prepare its drainage systems for a one-in-50-year flood, or for the kind of climate-enhanced storm that might once have been considered unthinkable?
The South African lawsuits stand apart from climate litigation elsewhere. In Europe, the landmark Urgenda case forced the Dutch government to adopt stricter emissions targets on human rights grounds. In the United States, young plaintiffs in Held v. Montana persuaded a judge that the state’s fossil fuel policies violated constitutional rights to a healthy environment.
Those cases sought policy change. The Durban suits seek money. If successful, they could open the door to governments being held financially liable when climate-fuelled disasters overwhelm fragile infrastructure.
For the insurance industry, the litigation is about more than recouping payouts. It signals a willingness to use the courts to push governments toward accountability. As climate disasters grow costlier, insurers are no longer limiting their response to repricing coverage or retreating from high-risk areas. They are also asking: if governments fail to maintain defences, should they share in the losses?
But the strategy carries risks. The state entities being sued - municipalities and transport agencies - are also the ones tasked with funding and maintaining the very infrastructure in question. Multi-billion-rand damages could deepen fiscal shortfalls, potentially leaving communities more exposed when the next storm comes.
Ultimately, the Durban litigation poses a stark question: in an era of intensifying climate extremes, who pays? Governments with strained budgets, insurers balancing their books, or businesses and communities left in harm’s way?
The outcome could set a precedent not just for South Africa, but for a world where the line between natural disaster and human responsibility is becoming ever harder to draw.
