UPSC Current Affairs 25 October 2026

• Core Theme: Hosted under the banner “Advantage Bharat: An Emerging Global Chemicals Hub”.
• Industrial Goal: Aimed at steering the sector towards sustainability, attracting foreign direct investment (FDI), and expanding India's footprint in global supply chains.
• Future Growth: Strategically aligned with the 'Viksit Bharat 2047' vision to scale the domestic chemical market to $300–400 billion by 2030 and up to $1 trillion by 2040.

• Partner Country: Japan served as the official partner nation to bolster deep economic and trade cooperation with India.
• International Forums: Hosted critical bilateral business parleys, including the Global CEOs Round Table, India-USA, India-EU, and India-Japan chemical dialogues.
• Large Footprint: Attracted over 5,000 to 8,000 business visitors, 200+ exhibitors, and participants spanning more than 100 countries.

• Specialized Conclaves: Discussions targeted high-growth segments like Agrochemicals, Specialty Chemicals, Petrochemicals, and Process Plant & Machinery.
• Sustainability & ESG: Emphasized green chemistry, carbon reduction, and circular economy compliance to meet United Nations Sustainable Development Goals (SDGs).
• Youth Innovation: Featured a dedicated youth challenge highlighting student innovation, won by teams from ICT Mumbai, VNIT Nagpur, and IIT Gandhinagar.

• Global Ranking: India is currently the sixth-largest producer of chemicals globally and the fourth-largest in Asia.
• Economic Pillar: The chemical sector serves as the structural backbone for sectors like automotive, healthcare, electronics, textiles, and FMCG.
• Export Strength: Sector exports hit roughly $46.12 billion for FY 2025–26, representing about 10.44% of India’s overall merchandise exports.

• Logistics Costs: High expenses driven by inadequate multi-modal connectivity (ports, roads, and rail networks).
• Infrastructure Gaps: Niche storage limitations for hazardous materials and regional industrial imbalances across states.
• Innovation Deficit: A low rate of indigenous R&D alongside a reliance on imported technologies and skill shortages in specialized chemical manufacturing.

• AR7 is the Seventh Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), the UN body established in 1988 by UNEP and WMO to assess climate science for policymakers.
• The seventh assessment cycle formally began in July 2023, with elections of the new IPCC Chair and IPCC/Task Force Bureaus in Nairobi.
• IPCC assessment reports are produced roughly every 5–7 years and synthesise thousands of peer-reviewed studies rather than conducting original research.
• The previous cycle, AR6, concluded in March 2023 and supplied scientific input to the first Global Stocktake at COP28 in Dubai.

• Inception: The seventh assessment cycle formally commenced in July 2023 with the election of a new IPCC Chair and Bureau members.

• Working Group I: The Physical Science Basis.
• Working Group II: Impacts, Adaptation, and Vulnerability.
• Working Group III: Mitigation of Climate Change.
• Synthesis Report: The final overarching summary, tentatively scheduled for late 2029.
• Special & Methodology Reports: Includes a Special Report on Climate Change and Cities (early 2027), a report on Short-lived Climate Forcers, and a methodology report on Carbon Dioxide Removal/Carbon Capture technologies.

• Global South Inclusion: The AR7 cycle boasts a record-high 42% of selected authors based at institutions within the Global South.
• Equal Footing: There is a strict 50-50 balance in total citizenship representation between scientists from the Global North and Global South, marking a major milestone for inclusivity in global climate tracking.

Feature	Fast-Track View (LDCs / Vulnerable Nations)	Extended Timeline View (India, China, Saudi Arabia, etc.)
Proposed Year	2028	Late 2029
Primary Driver	Provide fresh data exactly in time for the 2028 Global Stocktake.	Prioritise scientific rigour and robust review processes over a single treaty timeline.
Main Concern	Outdated data will restrict the effectiveness of immediate global climate action.	Excessive workloads and insufficient time for developing nations to participate as equal partners.

• Animal Welfare Integration: Shifting conservation mindsets to understand that individual animal health and welfare are intrinsically linked to overall ecosystem resilience and human health.
• One Health Approach: Adopting a unified strategy acknowledging that human, animal, plant, and environmental health are fundamentally interdependent.

• Stricter Wildlife Trade Regulation: Enforcing severe restrictions on the methods used for wildlife capture, handling, and transport to minimize stress and prevent viral spillover.
• Introducing "Positive Lists": Recommending science-based positive lists that strictly define which specific wild animal species are permitted to be kept as pets or traded commercially based on strict biosecurity and welfare metrics.
• Phasing Out High-Risk Farming: Phasing out overcrowded, high-risk livestock confinement systems that act as breeding grounds for mutating viruses and bacterial resistance.
• Habitat Protection: Strengthening ecosystem boundaries to keep wild populations in balance and reduce artificial, high-risk human-wildlife interactions.

• Pathogen Spillover: Bad wildlife management and poor farming practices have accelerated global outbreaks, illustrated clearly by the multi-continental spread of the H5N1 avian influenza.
• Antimicrobial Resistance (AMR): Overuse of antibiotics in intensive animal farming contributes heavily to AMR. Current projections suggest that by 2050, 1.91 million deaths globally could be directly caused by AMR.
• Legality vs. Safety: The guide explicitly warns governments that just because a practice or wildlife trade is legal, it does not guarantee it is safe, sustainable, or ethical.

• Global Frameworks: The guidance builds upon successful cross-border health policies and existing frameworks deployed in countries like Colombia, Belgium, and Brazil, which have successfully woven habitat protection and animal safety into public health sectors.

• Nodal Agency: Established at the Delhi Branch of the Indian Institute of Tropical Meteorology (IITM).
• Parent Initiative: The lab functions under "Mission Mausam", a flagship initiative announced by Prime Minister Narendra Modi to enhance atmospheric science and weather services.
• Core Goal: To shift the paradigm from simply monitoring overall pollution volume (AQI readings) to understanding what pollutants exist and where they originate.

• Real-Time Source Apportionment: It instantly isolates specific pollution triggers, distinguishing between vehicular emissions, industrial activity, biomass/crop-residue burning, construction dust, road dust, and pollutants floating in from neighboring regions.
• Advanced Chemical Fingerprinting: Analyzes the intricate chemical composition of atmospheric gases and fine particulate matter (PM_2.5), including trace metals and toxic compounds.
• Toxicity & Health Assessment: Evaluates how varying aerosol mixtures and specific pollutant compounds impact public health.
• Pollution Transformation: Studies how different chemical pollutants interact, react, and change state while lingering in the atmosphere.

• System Synergy: The laboratory works in close integration with AIRWISE to reinforce real-time data flow, predictive analysis, and automated air-quality forecasting.
• Data-Driven Governance: Provides scientific, empirical evidence to support the Commission for Air Quality Management (CAQM) and regional pollution control boards.
• Targeted Interventions: Instead of generic city-wide bans, the real-time data allows authorities to target highly specific industries or sectors driving the pollution spikes at any given hour.

• The Discoverers: Identified by a collaborative international team of scientists from the Zoological Survey of India (ZSI), San Jose State University (USA), the South African Institute for Aquatic Biodiversity, and the California Academy of Sciences.
• Method of Discovery: Fishermen accidentally hauled up nine specimens of the ray as bycatch during deep-sea trawling operations targeting deep-sea red shrimps.
• Naming Honors: Named in honour of M. V. Ramana Murthy, a prominent marine scientist, ocean engineer, and Mission Director of India's Deep Ocean Mission.

• Coloration: Features a uniform dark bluish-black or dark brown upper body (dorsal surface) paired with a contrasting whitish belly (ventral surface).
• Body Shape: Possesses a unique circular or oval-shaped disc body formed by its greatly enlarged pectoral fins fused to its head.
• Smooth Skin: Unlike some other ray species, it completely lacks skin bumps (papillae) around its breathing holes (spiracles).
• Size: Classified as a medium-sized ray, reaching a maximum total length of 771 mm.

• Electric Organs: Belongs to the family Torpedinidae. It features specialized, relatively small kidney-shaped electric organs on both sides of its head, used to discharge electric shocks to stun prey and defend against predators.
• Skeletal Structure: An internal analysis revealed a unique total count of 99 vertebrae (consisting of 30 monospondylous and 69 diplospondylous centra), which helps taxonomists distinguish it from closely related species.
• Evolutionary Lineage: DNA and morphological testing show it forms a completely independent evolutionary lineage distinct from all other globally known electric rays.

• Geographic Range: Currently known exclusively to inhabit the deep waters of the southeastern Arabian Sea within the northern Indian Ocean.
• Depth Preference: Found at extreme deep-sea depths ranging between 400 to 700 metres.

• Dietary Role: Functions as a mesopredator, using its electric capabilities to hunt and feed on smaller marine animals.
• Conservation Status: Because it is a newly discovered deep-sea creature, scientists currently have insufficient data to determine its exact population size, abundance, or immediate conservation threats.

• Zuqar Island is Yemen’s largest island in the Hanish Islands archipelago, located in the southern Red Sea.
• It lies roughly 90 km southeast of Hodeidah, a major Houthi-controlled Red Sea port.
• It is situated about 100 miles north of the Bab el-Mandeb Strait, the narrow maritime choke point connecting the Red Sea with the Gulf of Aden and, further on, the Arabian Sea and Indian Ocean.
• The island is volcanic and sparsely populated, but its location gives it outsized strategic value.

• Choke-Point Control: The island sits just north of the Bab-el-Mandeb Strait, a critical global maritime choke point through which 10% to 12% of global trade and major oil shipments pass.
• Surveillance Hub: Its elevated volcanic terrain offers a perfect vantage point for aerial and maritime surveillance over the Red Sea and the Gulf of Aden.
• Smuggling Staging Ground: Historically and presently, control over the island allows military forces to either facilitate or heavily disrupt the flow of maritime weapons smuggling into Yemen.

• Yemen-Eritrea Conflict (1995): Eritrea battled Yemeni forces and briefly captured the island in December 1995.
• International Arbitration (1998): The Permanent Court of Arbitration formally awarded custody of Zuqar Island and the Hanish archipelago to Yemen, resolving the territorial dispute.
• Yemeni Civil War Dynamics: The island has frequently traded hands; it was captured by Houthis in 2014, retaken by the Saudi-led coalition in late 2015, and recaptured by the Houthis in September 2026.

• The "Blue Place": The name Locus Coeruleus literally translates from Latin to "blue place" or "blue spot," owing to its pigment under a microscope.
• Brainstem Anchor: It is a small, bilateral nucleus located in the pons, a region of the brainstem that bridges the cerebrum and cerebellum.
• Small but Mighty: Despite its immense influence, it contains a microscopic fraction of the brain's total cells—roughly 3,000 neurons in rodents and about 30,000 to 50,000 in humans.

• Norepinephrine Factory: The LC is the principal source of norepinephrine (also called noradrenaline) to the central nervous system.
• Arousal & Stress: It releases this neurotransmitter to activate the body's physical and mental responses to stress, excitement, and environmental imperatives.
• Dual Action: It works alongside dopamine networks to coordinate the brain's internal rewards and habit-forming behaviours.

• Dorsal vs. Ventral Segregation: The LC is physically split into upper and lower functional zones:
  • Upper (Dorsal) Region: Connects directly upward to the thinking center (cerebral cortex and forebrain) to trigger learning signals and strategic adjustments after mistakes.
  • Lower (Ventral) Region: Connects downward to the brainstem and spinal cord, acting as a physical "stand down" order to modulate environmental engagement.
• Astonishing Physical Reach: The axons (wiring) of these cells average 35 cm in length, bypassing major structures to deliver norepinephrine precisely to dedicated "addresses" in the cortex.

• Attention Management: It acts as a cognitive conductor, helping the brain dynamically switch from intense concentration to broad, heightened alertness depending on environmental demands.
• Encoding Surprise: The LC fires rapidly when something unexpected happens (like an error or sudden threat), forcing the brain to reset, pay attention, and learn from the environment.
• State Modulation: It operates in two firing modes—a steady "tonic" mode that helps us explore new behaviours, and a bursting "phasic" mode that lets us execute focused tasks.

• Psychiatric Targets: Because the LC dictates mood and focus, it is the primary architecture targeted by current medications for ADHD, anxiety, and clinical depression.
• Alzheimer’s Early Indicator: LC neurons are typically among the very first to degenerate in neurodegenerative conditions like Alzheimer's and Parkinson's disease.
• Precision Medicine: Instead of flooding the entire brain with drugs that cause widespread side effects, future therapies can now aim to selectively target specific LC pathways.

• Reduced Feeding Time: Researchers found that vultures spend about half as long feeding on carcasses at open dumpsites where dogs are present compared to protected, dog-free enclosures.
• Altered Temporal Patterns: In the absence of dogs, vultures feed evenly across daylight hours. However, dog aggression has restricted vulture activity strictly to the afternoon, compressed into windows when dogs are less active.
• Food Scarcity: Because feral dog packs consume massive volumes of meat, they directly deplete the limited biomass available to the birds.

• Physical Displacement & Aggression: Feral dogs actively chase, harass, and physically drive vultures away from their food sources.
• Secondary Poisoning: Feral dogs often kill local livestock, leading villagers to sometimes place poisoned bait to target the dogs. When vultures consume either the poisoned dog carcasses or the poisoned bait itself, it leads to rapid, mass mortality.
• Nesting Site Disturbance: The expansion of feral dog populations into remote wildlife areas causes severe disturbances around nesting grounds, sometimes prompting vultures to entirely abandon their nests.
• Disease Transmission: Free-ranging dogs are vectors for lethal pathologically threatening diseases like the Canine distemper virus and rabies, posing a spillover risk to other desert wildlife such as jackals, foxes, and wolves.

• The Diclofenac Crisis: Vulture populations in India historically plummeted by over 90% in the 1990s due to the widespread veterinary use of the anti-inflammatory drug diclofenac in cattle.
• The Ecological Loop: Paradoxically, the initial collapse of vultures left behind millions of rotting cattle carcasses. This surplus food source triggered an unprecedented population explosion of feral dogs across the country, which are now acting as a secondary ecological barrier to the vultures' recovery.

• Physical Barriers: Installing perimeter fencing and dog-free enclosures at critical carcass dumping grounds to ensure exclusive access for birds.
• Strategic Carcass Placement: Placing livestock remains out in wide, highly exposed open fields that favour the aerial approach of vultures while remaining less accessible to ground-dwelling dog packs.
• Vulture Safe Zones: Formally designating these crucial feeding grounds as protected areas, coupled with rigorous veterinary screenings to keep the food supply toxin-free.

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