The Ramifications of a Cargo Ship’s Downfall – Sky Bulletin

An integral marine ecosystem, home to precious coral reefs and a bustling seafood economy, faces a dire threat as the aftermath of a cargo ship attack leads to toxic contamination. The Red Sea, known for its rich biodiversity, has been exposed to hazardous materials due to the sinking of a cargo ship prompted by an attack from Yemen’s Houthi rebels.

The M/V Rubymar, a Belize-flagged ship reported to be loaded with 22,000 metric tons of toxic fertilizer, sank following a breach in its hull from the Feb. 18 attack.

Prior to its total submersion, the vessel spilled heavy fuel creating an expansive 18-mile (30 km) long oil slick in a crucial shipping route that feeds into Europe.

The Houthis’ defiance in the face of Israel’s operations in Gaza has led to persistent assaults on maritime targets, including various vessels with little or no direct connections to Israel, since November.

The alarm over an impending “environmental disaster” is mounting, particularly given by U.S. Central Command, which supervises operations in the Middle East. According to Ian Ralby, head of I.R. Consilium, a maritime security consultancy, the risk is amplified by the Red Sea’s natural structure and usage, beyond the immediate size of the leaked hazardous materials.

The unique circular current patterns of the Red Sea act as a self-contained eco-system, circulating water north towards the Suez Canal in Egypt during winter and south towards the Gulf of Aden in summer. “What spills in the Red Sea, stays in the Red Sea,” remarked Ralby, highlighting the region’s susceptibility to environmental damage.

Regions like Jeddah in Saudi Arabia rely on the sea’s water, processed through an extensive network of desalination plants, for their drinking water supply. Oil spills hurl an additional burden on the desalination process, potentially causing disruption and expensive maintenance.

Yemen’s vital fishing industry, once a major export sector next to oil before civil unrest, depends on the Red Sea. Ralby, who has extensively analyzed the marine vulnerabilities of the Red Sea, references the case of the SOF Safer, an oil tanker filled with over 1 million barrels of crude oil—a catastrophe averted last year. He estimates that while the oil quantity from the Rubymar is likely well under 7,000 barrels, it nonetheless represents a significant spill, potentially greater than the impact of the Wakashio incident near Mauritius in 2020.

The more insidious danger lies in the fertilizer cargo. If the wreckage doesn’t give way, the release will be gradual rather than instantaneous, mitigating some potential harm. Nevertheless, it could fuel widespread algae blooms and consequent “dead zones,” similar to those created by agricultural and urban runoff in places like the Texas Gulf Coast.

On the conservation front, the Red Sea’s coral reefs, a magnet for tourism and scientific intrigue due to their resistance to warming seawaters, are now in jeopardy. While the immediate effects of the Rubymar sinking might be contained, Ralby fears it’s a precursor to larger-scale environmental crises. Especially with the area’s more robust vessels having withdrawn due to the Houthi escalation, the remaining ships are more vulnerable and pose increased risks for spills with severe environmental repercussions.

“With fewer and fewer container ships to target, the odds of another spill with massive environmental impact has increased enormously,” Ralby warns.

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What caused the sinking of the M/V Rubymar?

The M/V Rubymar sank as a result of being attacked by Yemen’s Houthi rebels on February 18, which led to the ship taking on water and eventually sinking.

What was the M/V Rubymar carrying?

The Belize-flagged vessel was reportedly carrying 22,000 metric tons of toxic fertilizer.

Why is the Red Sea at particular risk from the spill?

The Red Sea is particularly vulnerable due to its unique circulating current patterns, which keep spilled materials within the ecosystem rather than allowing them to disperse. Additionally, the region depends on the Red Sea for desalination plants and fishing.

Could the Rubymar oil spill exceed that of the Wakashio near Mauritius?

While the actual amount of spilled oil from the Rubymar is not yet known, it is estimated to be significantly less than the cargo held by the SOF Safer, but potentially more impactful than the Wakashio incident.

What is the environmental impact of the fertilizer leak?

If not contained, the fertilizer can lead to algae blooms, which deplete oxygen in the water, creating dead zones that could asphyxiate marine life.