Recent strikes on Middle Eastern oil and desalination infrastructure have triggered a dire environmental and humanitarian crisis, characterized by toxic “black rain” falling over Iran.
“Black rain” is the informal name for rain that turns dark as it falls through heavily polluted air.
Satellite imagery confirmed that smoke from strikes on oil refineries and depots drifted over Tehran on Monday.
The WHO issued a warning that attacks on energy infrastructure pose severe health risks to the city’s residents.
The immediate physical toll of these attacks — manifesting as respiratory distress and chemical burns to the eyes and throat — may only be the precursor to a more permanent health crisis.
Experts warn that the lingering environmental “cocktail” of pollutants poses severe long-term risks, including cancer, neurological disorders, and birth complications.
Excessive air pollution
Since the onset of US-Israeli strikes on February 28, at least four oil facilities near Tehran have been hit. The strikes unleashed an “unprecedented” chemical smog that has physically blocked out the sun.
These fires result in incomplete combustion, releasing a toxic slurry of carbon monoxide, soot, sulfur, and nitrogen oxides that can form acid rain, along with metallic compounds and oil droplets.
Reportedly, a precise assessment is difficult without ground-based data; residents report a persistent, “horrible” smell of burning and extreme fatigue.
Scientists warn that this chemical fallout is far more hazardous and complex than standard urban pollution.
As toxic particles settle into the local infrastructure and seep into the water table, they create a persistent hazard that threatens both human populations and an already fragile marine ecosystem long after the smoke clears.
Water insecurity
Furthermore, the targeting of desalination plants has established a dangerous “precedent” for weaponizing water, with strikes already cutting off supply to dozens of Iranian villages and allegedly impacting facilities in Bahrain.
EuroNews reported that the Gulf water production is often physically integrated with power grids through cogeneration plants. Hence, any hit to electrical infrastructure creates an immediate ripple effect of thirst.
This vulnerability is especially critical for Iran. Despite its reliance on natural water sources, a brutal five-year drought has depleted its rivers and aquifers, leaving the nation on the brink of a catastrophic water crisis.
Iran’s attempts to scale up desalination projects along its southern coast face significant hurdles, including international sanctions, high energy costs, and infrastructure bottlenecks.
These limitations have brought the country to a breaking point.
Experts note that officials even considered “evacuating the capital last summer” due to water scarcity.
With the added pressure of sustained military strikes and an ongoing economic collapse, the region now faces a potentially catastrophic summer, with a severe water crisis increasingly unavoidable.
Carbon emission spikes
The disruption of oil refineries and the closure of the Strait of Hormuz — a vital artery for 20% of global oil and a third of the world’s fertilizer trade — are forcing nations into a desperate scramble for “dirtier” energy alternatives.
History shows that during such supply shocks, countries often pivot back to coal or high-emission liquefied natural gas to stabilize their economies.
Furthermore, the need to reroute tankers around Africa has spiked global shipping emissions and heightened the risk of environmental catastrophes, such as oil spills.
War is the ultimate carbon heavy-hitter. Militaries already account for roughly 5.5% of global emissions, and the current conflict is obliterating years of incremental green progress in a matter of days.