1. Erra Matti Dibbalu
Why in the News?
- The Erra Matti Dibbalu (Red Sand Dunes) in Visakhapatnam, Andhra Pradesh, have been added to the Tentative List of UNESCO Natural Heritage Sites.
- This recognition highlights their unique geological and ecological significance as rare coastal formations in India.
- The move could pave the way for global heritage status and greater conservation efforts.
About Erra Matti Dibbalu

- Meaning: “Erra Matti Dibbalu” translates to “Red Sand Hills” in Telugu.
- Location: Situated along the Visakhapatnam–Bheemunipatnam Beach Road in Andhra Pradesh.
- Geological Significance: They are natural sand dunes formed over 18,000–20,000 years ago, shaped by wind and water action.
- Unique Ecosystem: Spread over hundreds of acres, they showcase rare coastal and aeolian (wind-blown) geomorphological features.
- Scientific Importance: The dunes serve as a natural laboratory for studying paleoclimate, sea-level changes, and coastal evolution.
- Conservation Concerns: Threatened by urbanisation, construction, and tourism activities, requiring strict protection.
- Recognition: Their inclusion in the UNESCO Tentative List is a step toward World Heritage Site status, ensuring international attention and conservation funding.
2. Scarborough Shoal
Why in the News?
- China has announced the creation of a national nature reserve at Scarborough Shoal to protect coral reefs, covering over 3,500 hectares of ecosystem.
- The move has angered the Philippines, which claims the shoal lies within its Exclusive Economic Zone (EEZ) and accused China of damaging marine life.
- The shoal remains a flashpoint in the South China Sea disputes, raising tensions with Manila and drawing global attention due to its strategic location.
About Scarborough Shoal

- Location: A triangular-shaped atoll located about 200 km off the Philippines, inside its EEZ, and around 900 km from China.
- Names: Known as Bajo de Masinloc or Panatag Shoal in the Philippines, and Huangyan Dao (Island) in China.
- Strategic Value: Sits near vital shipping lanes in the South China Sea, through which $3 trillion trade passes annually.
- Fishing Riches: Famous for abundant fish stocks and a turquoise lagoon, providing shelter to vessels during storms.
- Dispute History: Seized by China in 2012 after a standoff; since then, it has been under Beijing’s effective control with coast guard and fishing vessels.
- International Law: The 2016 Permanent Court of Arbitration ruling invalidated China’s expansive claims but did not assign sovereignty over the shoal.
- Conflict Incidents: Frequent tensions include water cannon use, boat ramming, and close encounters between Chinese and Philippine vessels.
- Geopolitical Importance: A major flashpoint in the South China Sea disputes, watched closely by the United States and other powers, especially under the US-Philippines Mutual Defence Treaty (1951).
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