Kerala’s Oil Spill Contingency Plan

Syllabus: GS3/Environment 

In News

• Kerala began preparing an Oil Spill Contingency Plan following the 2025 shipwrecks incidents off Kerala coast to address marine pollution and coastal environmental risks.

What is Oil Spill?

• It  is the release of petroleum substances into the environment, especially oceans and coastal waters, due to human activities such as tanker accidents, offshore drilling, or fuel leaks, causing serious pollution.

Major Reasons 

• Oil spills can occur wherever oil is drilled, transported, or used, and are fairly common.
  • Most spills are small, such as during ship refuelling, but can still damage sensitive ecosystems like beaches, mangroves, and wetlands.
• Major causes include accidents involving tankers, pipelines, refineries, drilling rigs, storage facilities, and recreational boats.
• Spills may result from human error, equipment failure, natural disasters (storms, hurricanes, high winds), or intentional acts like sabotage or illegal dumping.

Consequences of oil spills

• Effect on marine fauna: Oil spills harm marine life by exposing animals to toxins, damaging birds’ insulation and survival, and affecting the growth and reproduction of fish and invertebrates.
• Threat to biodiversity: Oil spills can wipe out animal populations, with toxic substances accumulating in the food chain and posing significant risks to higher-level predators, including humans.
  • This bioaccumulation can result in long-term health problems and a reduction in biodiversity, disrupting entire ecosystems.
• Effect on coastal ecosystems: Coastal ecosystems, such as mangroves, coral reefs, and marshlands, are especially at risk, as oil can suffocate these habitats and kill vital plants and animals. Recovery can take decades, with some species facing the threat of extinction.
• Effect on economy: The economic fallout of the oil spill is significant for communities dependent on fishing and tourism. Also, the cleanup effort is often costly and lengthy, diverting resources from other critical areas.

Methods used to clean up Oil Spills

• Skimming: It involves removing oil from the sea surface before it can reach sensitive areas along the coastline.
• In situ burning: It means burning a particular patch of oil after it has concentrated in an area.
• Releasing chemical dispersants: It helps break down oil into smaller droplets, making it easier for microbes to consume and further break it down into less harmful compounds.
  • While oil spill cleanup methods are useful, some can harm marine life and manual cleanup is often labour-intensive and less effective in remote areas.

International conventions 

• International Convention for the Prevention of Pollution from Ships (MARPOL):The MARPOL Convention governs oil spills.
  • It evolved from several older agreements and led to a protocol issued in 1978 following several oil spill disasters in the 1970s.
  • It has six annexes, covering prevention of pollution from ships by Oil, Noxious liquid substances, Dangerous goods in packaged form, Sewage, Garbage and Air pollution from ships.
• UNCLOS (1982): Grants coastal states rights to protect marine environments within their Exclusive Economic Zones.  
• International Convention on Oil Pollution Preparedness, Response and Co-operation (OPRC, 1990): Ensures coordinated global response to spills.  
• Civil Liability Convention (CLC, 1969): Holds shipowners financially liable for oil pollution damage.  
• India’s position:  India is also a signatory of MARPOL convention. It is enforced with the help of domestic legislation, such as the Merchant Shipping Act in India, which has provisions on civil liability and pollution prevention certificates. Indian ships and ships in Indian waters are mandated to follow these regulations.
  • Ports also maintain oil spill contingency plans to handle local cases, while the Indian Coast Guard is the nodal agency.

Suggestions 

• Strengthen surveillance: Use satellite monitoring and AI-based spill detection.  
• Enhance response capacity: More pollution response vessels and dispersant stockpiles.  
• Regional cooperation: Collaborate with neighboring countries for joint drills and rapid response.  
• Strict liability enforcement: Ensure polluters bear cleanup costs and compensate affected communities.  
• Promote clean energy: Reduce dependence on oil to minimize spill risks.  
• Community awareness: Train coastal populations in shoreline cleanup and safety.

Source: TH