The Race to Save the Red Sea’s Vanishing "Super Corals"
Article by Lina Challita
In 2018, scientists identified the Northern Red Sea—particularly the Gulf of Aqaba—as a potential last refuge for corals globally. These reefs were dubbed "super corals" due to their exceptional heat tolerance, a trait evolved from surviving the Red Sea’s naturally warm waters. At the time, mass bleaching events ravaged iconic reefs from Australia’s Great Barrier Reef to the Caribbean, stripping ecosystems of color and biodiversity.
In stark contrast, the Red Sea remained a thriving oasis, celebrated not for coral abundance but for exceptional biodiversity and endemism. ~ This unique sub-tropical ecosystem is know for its “quality over quantity”.
The Tipping Point (2023–Present)
Despite early hope, climate change and local pressures have outpaced protection efforts. Since 2023, summer bleaching has intensified, affecting the Northern Red Sea reefs from Sudan to Egypt’s Nuweiba and Jordan’s Aqaba. While not yet uniformly annual, recurrent events now occur when temperatures exceed regional thresholds:
- Average summer temperatures: 28–32°C (up to 35°C in shallow lagoons)
- Northern bleaching threshold: ~34°C sustained for weeks (vs. 30–32°C globally)
[Source: Fine et al. 2019; GCRMN 2023 Report]
Repeated bleaching reduces recovery chances, triggering a damaging cycle: weakened corals → collapsed ecosystems → cascading impacts on key species from sharks, turtles, invertebrates and fisheries.
Ecological Dominoes are already in play, two major examples are:
- Diadema urchin mass die-offs (2022–2023), critical algae grazers, mirror Caribbean collapses in the 1980s.
- Shark populations have declined by up to 85% regionally due to habitat loss and overfishing.
[Source: Diadema study; IUCN Shark Decline]
Mitigation: The Only Viable Path
With conservation funding scarce these day, science prioritizes mitigation over offsetting.
Reef restoration without direct reduction of threats is not an effective solutions. We need to focus on allowing the Red Sea to breathe!
Urgent Actions Needed:
1. End Overfishing: Redirect fishing communities to sustainable industries.
2. Regulate Tourism:
- Ban large “Superyacht” sized vessels that shade/pollute reefs (Green Fins Initiative).
- Implement a sustainable mooring buoys installation system to prevent anchor damage.
3. Protect Critical Habitats:
- Close off key reefs and nurseries areas to allow safe zones for biodiversity.
- Turtle/shark breeding site patrols.
4. Cross-Border ICZM: Integrated Coastal Zone Management for all Red Sea nations.
5. Neutralize the FSO Safer Threat: Though 1.1M barrels of oil were removed in 2023, residual risks demand monitoring.
Why Offsetting Fails
Coral farming and mangrove planting attract donor interest but often neglect root causes:
- <10% of coral nurseries survive long-term without addressing warming/pollution.
- Artificial reefs and mangrove afforestation rarely replicate natural biodiversity.
[Source: Restoration Ecology Journal]
The Way Forward
The Red Sea’s fate hinges on a unified strategy: mitigate direct threats first, backed by science and transboundary governance. As temperatures rise, protecting resilient northern reefs (Gulf of Aqaba) while restoring southern zones offers the last best hope.
During the COVID-19 pandemic, with a clear drop in tourism and shipping traffic; the Red Sea thrived with rare species re-emerging. It was a clear sign that if we allow the Red Sea to breathe, it has a chance to recover. It’s a race to prevent a coral haven from turning into a graveyard.
Key Scientific References:
1. [Red Sea Coral Thermal Tolerance (Nature)]
2. [Biodiversity & Endemism (Frontiers)]
3. [Mitigation Efficacy Study (Science)]
Weekly News Brief SNE
1st of June 2025
Refunctioning waste from the Nile
23rd of May 2025
VeryNile, founded in 2019, is a pioneering Egyptian initiative focused on cleaning the Nile River while uplifting surrounding communities through environmental and social programs. Originally launched to help NGOs better communicate with donors, the organization soon shifted its mission to environmental protection, recognizing the central role the Nile plays in Egypt’s sustainability. Based on Al-Qursaya Island, VeryNile works with over 200 fishermen to collect plastic waste, which is then recycled or upcycled into furniture and accessories by trained local residents, especially women. It also offers educational programs for adults and children, and even created an eco-friendly food space run by a local resident, Um Nada. VeryNile regularly hosts awareness events, such as boat parades and university visits, emphasizing long-term solutions like waste prevention rather than just collection. With expansion plans in Sohag and Minya by 2025, the initiative continues to scale its impact across Egypt.
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24th of May 2025
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25th of May 2025
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26th of May 2025
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Environment minister highlights Kingdom’s role in green initiatives across Arab region
27th of May 2025
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Egypt pushes climate-smart farming to the forefront
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Egypt Advances Bird Conservation Along Critical Flyways
29th of May 2025
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Egypt’s GAFI courts Dutch investment in waste recycling sector
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Egypt’s General Authority for Investment and Free Zones (GAFI) and the Egyptian Embassy in The Hague hosted a roundtable with 30 Dutch companies during the World Hydrogen Summit to discuss investment opportunities in Egypt’s waste management and recycling sector. GAFI CEO Hossam Heiba highlighted Egypt’s attractive investment climate and government incentives for green industries, emphasizing the strategic importance of recycling for both economic growth and environmental sustainability. Dutch development finance institution Invest International expressed strong support for Dutch firms entering Egypt’s recycling market, while Signify, a leading Dutch lighting company, announced plans to expand its sustainability investments in Egypt. The meeting also included officials from the Suez Canal Economic Zone, the Egyptian Cabinet, and GAFI’s Dutch investment unit, reflecting growing bilateral cooperation in environmental sustainability and green industries.
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