18 December 2024

• Polity: Union Home Minister reaffirmed the government's commitment to implement the Uniform Civil Code (UCC) nationwide. Uttarakhand's UCC came under analysis.
• Science: Kisan Kavach, India's first anti-pesticide bodysuit, was developed at BRIC-inStem Bangalore.
• Geography: The 7.3-magnitude Vanuatu earthquake prompted analysis of the Pacific Ring of Fire and island-nation disaster risk.
• Environment: Arctic tundra warming was linked to massive permafrost carbon release.

GS area: Polity, Governance

Union Home Minister Amit Shah reaffirmed the government's intention to implement UCC nationally.

• Constitutional basis:
  • Article 44 (DPSP): Directs the State to endeavour to secure a UCC for citizens throughout the territory.
  • Article 14: Equality before the law. UCC proponents argue personal laws discriminate by religion.
  • Article 25: Freedom of religion. Critics argue UCC encroaches on religious communities' right to govern personal matters.
  • Entry 5, Concurrent List: Personal laws (marriage, divorce, inheritance) fall under the Concurrent List, enabling Parliament to legislate.
• Goa's UCC: The Portuguese Civil Code of 1867 applies to all Goan residents regardless of religion. It mandates registration of marriages, equal property rights and divorce procedures. Praised by the Supreme Court in Jose Paulo Coutinho v. Maria Luiza Valentina Pereira (2019).
• Uttarakhand UCC (2024): The first state to enact a modern UCC. Covers marriage (monogamy for all), divorce, inheritance and live-in relationship registration. The last provision was especially contested.
• 21st Law Commission (2018): Stated that a UCC is "neither necessary nor desirable" at that stage in the country's democratic development.
• Supreme Court direction: The Court has encouraged Parliament to enact UCC multiple times, most notably in Shah Bano (1985) and Sarla Mudgal (1995).

Static linkage: Polity (DPSP, Article 44, personal laws, federalism).

GS area: Science and Technology, Agriculture

India's first anti-pesticide bodysuit was developed by BRIC-inStem (Bangalore Bioinnovation Centre) in partnership with Sepio Health.

• Price: 4,000 rupees per suit.
• Durability: Washable and reusable for up to one year.
• Mechanism: Uses nucleophilic hydrolysis to chemically deactivate organophosphate and carbamate pesticides on contact with the fabric.
• Why it matters: Organophosphate pesticide poisoning is among the leading causes of unintentional poisoning deaths in India. Farmers lack adequate protective equipment.
• BRIC-inStem: Under the Department of Biotechnology, Ministry of Science and Technology.
• UPSC angle: Government biotechnology initiatives, farmer welfare and chemical safety intersection.

Static linkage: Science and technology (biotechnology, agriculture safety).

GS area: Environment, Geography

December 2024 research highlighted accelerating Arctic warming and its climate implications.

• Arctic warming rate: The Arctic warms at four times the global average rate.
• 2024 record: Recorded the second-highest Arctic surface temperatures since 1900.
• Permafrost carbon stock: Arctic permafrost stores an estimated 6 trillion metric tonnes of carbon. This exceeds all carbon emitted by human activity in history.
• Release mechanism: As permafrost thaws, microbes decompose the organic matter, releasing CO2 and methane (CH4). Methane is 80 times more potent as a greenhouse gas over 20 years.
• Wildfire feedback: Arctic wildfires release stored carbon and darken the surface (less albedo), accelerating warming.
• Tipping point concern: Runaway permafrost thaw could make climate targets (1.5°C or 2°C) unachievable regardless of human emission reductions.

Static linkage: Environment (climate change, permafrost, Arctic, greenhouse gases).

GS area: Geography, Disaster Management

A 7.3-magnitude earthquake struck Vanuatu on 17 December 2024, causing significant casualties and damage.

• Vanuatu geography: A South Pacific island nation comprising 13 principal volcanic islands and dozens of smaller islets. Capital: Port Vila. Independent since 1980 (from joint French-British New Hebrides Condominium).
• Tectonic setting: Located on the Pacific Ring of Fire. The Indo-Australian plate subducts under the Pacific plate in this region, causing frequent earthquakes and volcanic eruptions.
• Disaster risk: Vanuatu consistently ranks as the world's most at-risk country in the UN World Risk Index (combination of earthquake, cyclone, tsunami and volcano hazards). Sea levels around Vanuatu are rising at twice the global average.
• Historical earthquakes: Vanuatu experiences approximately 2,000 earthquakes annually. Magnitude 7+ events are not rare.

Static linkage: Geography (Pacific Ring of Fire, tectonic plates, island nations).

GS area: Art and Culture, Ancient History

A 4,000 to 5,000-year-old Neolithic ash mound site near Sangankallu Hiregudda, Ballari (Karnataka), was reported to have been destroyed by mining activity.

• Neolithic culture in peninsular India: The Southern Neolithic culture (approximately 3000-1000 BCE) is characterised by ash mounds (Brahmagiri, Kodekal, Budihal, Sangankallu). These are remnants of cattle penning areas where dung was periodically burned.
• Evidence at Sangankallu: Nandi (bull) worship motifs, evidence of animal domestication, early agricultural practices.
• ASI protection: The Archaeological Survey of India under the Ancient Monuments and Archaeological Sites and Remains (AMASR) Act, 1958 protects sites of national importance. A 100-metre prohibited zone and a 200-metre regulated zone surround protected monuments. Mining within these zones is illegal.
• Issue: Quarrying for granite near Ballari has damaged several Neolithic-period rock art and ash mound sites.

Static linkage: Ancient history (Neolithic period, peninsular India), art and culture (rock art, ASI).

GS area: Environment, Geography

A study found that Himalayan Birch trees (Betula utilis) are being replaced by Silver Fir (Abies spectabilis) as climate change alters moisture patterns.

• Birch range: 2,900 to 4,500 metres in the Western Himalayas.
• Fir range: 2,500 to 3,700 metres.
• Mechanism: Birch requires abundant moisture. Drier conditions caused by reduced winter snowfall and changed precipitation patterns favour drought-tolerant fir.
• Consequences: Birch forests are culturally important (Bhojpatra bark was used for manuscripts). Their loss affects biodiversity, water retention and traditional resource use.
• Treeline shift: Climate change is also pushing the alpine treeline higher into previously barren zones, another proxy indicator of warming.

Static linkage: Environment (Himalayan ecology, climate change impacts), geography.

• Sugar production decline: India's sugar output declined by about 12 per cent due to erratic rainfall and warm winters in Maharashtra and Karnataka. India is the world's second-largest sugar producer (after Brazil). Sugarcane requires 75 to 150 cm of annual rainfall and temperatures between 20 and 40 degrees Celsius.
• Wroughton's Free-tailed Bat: A Critically Endangered bat species was sighted for the first time in northern India at Delhi's Yamuna Biodiversity Park. Historically recorded in the Western Ghats, Northeast India and Southeast Asia.