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Distribution: yearly

  • Places in news: Kurdistan Region

    Why in the News?

    India has dispatched a humanitarian aid consignment to the Kurdistan region of Iraq.

    Kurdistan Region

    What is the Kurdistan Region?

    • The Kurdistan Region refers to areas inhabited by ethnic Kurds, primarily in Iraq, Iran, Syria, and Turkey.
    • The Kurdistan Regional Government (KRG) administers Iraqi Kurdistan, an autonomous region in northern Iraq.
    • The Kurds, a distinct ethnic and linguistic group, have long sought independence and greater autonomy.
    • Geographical Significance:
      • Spans across Turkey, Iraq, Iran, and Syria, covering the Zagros Mountains and fertile plains.
      • Rich in oil and natural gas, particularly in Iraqi Kurdistan, making it geopolitically significant.
      • Controls key border regions and trade routes, influencing regional stability.
    • Political Implications:
      • The Kurdish struggle for autonomy has led to tensions with central governments, particularly in Iraq and Turkey.
      • Kurdish forces (Peshmerga) have played a key role in fighting ISIS and maintaining security in northern Iraq.
      • The KRG has diplomatic ties with Western countries but lacks full sovereignty.

    Ongoing Dispute:

    • The Kurdish independence movement faces opposition from Iraq, Turkey, Iran, and Syria, fearing territorial fragmentation.
    • Iraq rejected the 2017 Kurdistan independence referendum, leading to military and economic retaliation.
    • Turkey continues military operations against Kurdish groups, considering them a security threat.
    • The Turkey-ISIS-Kurd relationship remains controversial, with allegations that Turkey indirectly enabled ISIS against the Kurds.

     

    PYQ:

    [2018] The term “two-state solution” is sometimes mentioned in the news in the context of the affairs of:

    (a) China

    (b) Israel

    (c) Iraq

    (d) Yemen

  • [30th January 2025] The Hindu Op-ed: Bridge the milk divide for a nutritionally secure India

    PYQ Relevance:

    Q.) How far do you agree with the view that the focus on the lack of availability of food as the main cause of hunger takes the attention away from ineffective human development policies in India? (CS Mains 2018)

     

    Mentor’s Comment: UPSC Mains has always focused on the main cause of hunger (2018) and poverty and hunger in India (2019).

    India’s White Revolution made it the world’s top milk producer, but now the focus should shift to ensuring milk reaches the most vulnerable. Milk is an important source of protein and calcium, especially for children. However, there are significant differences in milk consumption across income groups and regions. Addressing these gaps is crucial for better health outcomes.

    Today’s editorial discusses how milk should be accessible to everyone in India and highlights the differences in milk availability. It looks at how these issues are connected to topics in GS Paper 1, 2, and 3, such as social inequalities, health, and policy solutions. 

    _

    Let’s learn!

    Why in the News?

    The challenge is making sure that the most vulnerable people have fair access to milk, while also controlling how much milk is consumed by wealthier people.

    What is the disparity in milk consumption? 

    • Income-Based Disparities: Households in the top-income decile consume 3-4 times more milk per capita compared to those in the lowest-income decile. Despite increases in milk consumption among lower-income groups, the poorest 30% account for just 18% of India’s milk.
    • Urban vs. Rural and Regional Disparities: Urban households consume ~30% more milk per capita than rural households, despite rural areas being the main milk producers.
      • Additionally, northern states like Rajasthan, Punjab, and Haryana have higher consumption (333g-421g), while eastern states like Chhattisgarh, Odisha, and West Bengal have much lower consumption (75g-171g).
    • Social Group Disparities: Scheduled Tribe households consume 4 litres less milk per capita annually compared to general category households, highlighting social and economic inequalities in milk access.

    What are the nutritional implications of milk consumption in India?

    • Protein Source: Milk is a rich source of high-quality protein. In India, it contributes significantly to daily protein intake, especially for children and adults in rural areas. According to the National Family Health Survey (NFHS), over 70% of children in India consume milk, making it a key protein source.
    • Calcium and Bone Health: Milk provides essential calcium, which is vital for bone health. Around 67% of Indian households consume milk, helping to prevent calcium deficiency, particularly in growing children and elderly populations, which can lead to conditions like osteoporosis.
    • Micronutrients and Vitamin D: Milk is also a good source of vitamins such as B12 and D, essential for immune function and energy production. The National Institute of Nutrition (NIN) states that milk helps in reducing vitamin D deficiency, which is prevalent in India due to limited sunlight exposure.

    How can policy interventions address disparities in milk production and access?

    • Enhancing Milk Provision: Increase milk availability for vulnerable populations through government schemes like the Pradhan Mantri Poshan Shakti Nirman (POSHAN) and Integrated Child Development Services. States can collaborate with nutrition institutes to align milk products with local dietary preferences.
    • Financial Support: Boost financial allocations for existing schemes to ensure adequate milk provision, especially in states where such programs have been discontinued due to budget constraints.
    • Nutritional Awareness Campaigns: Conduct awareness campaigns focusing on the benefits of milk consumption, targeting women through various community channels. This can help improve dietary diversity within households.

    What strategies can be implemented to promote sustainable dairy practices?

    • Healthy Consumption Awareness: Develop partnerships with healthcare professionals and media to promote balanced diets and moderation in dairy consumption among affluent groups.
      • For example, Campaigns similar to the UK’s Change4Life initiative could serve as effective models for India.
    • Investing in Dairy Infrastructure: The government should continue investing in dairy infrastructure, including animal health care and fodder availability, to ensure sustainable production practices while improving yields.
    • Community Engagement: Engage local communities in sustainable practices through education and training programs aimed at improving animal husbandry practices and enhancing productivity without compromising environmental sustainability.

    What are the steps taken by the government? 

    • Rashtriya Gokul Mission: This initiative focuses on enhancing the genetic quality of bovine animals through the identification and use of high-quality bulls for breeding, in-vitro fertilization (IVF) technology, and genomic selection. It aims to improve milk production by covering millions of livestock and providing better healthcare services for animals.
    • National Dairy Plan (NDP): The NDP supports the establishment of dairy cooperatives and processing facilities to enhance milk marketing and value addition. It includes financial assistance for creating dairy processing infrastructure, thereby improving the overall efficiency and competitiveness of the dairy sector.
    • Kisan Credit Card (KCC) Facility: This scheme offers credit support to farmers for various agricultural activities, including dairy farming. By providing financial assistance, the KCC aims to empower smallholder farmers to invest in their livestock and improve milk production capabilities.

    Way forward: 

    • Increase Access for Vulnerable Groups: Expand milk distribution through government schemes (e.g., POSHAN and ICDS) and ensure adequate funding to cover vulnerable populations.
    • Regional and Social Equity: Implement targeted interventions to reduce regional, income, and social disparities in milk access, such as milk coupons or subsidies for underserved areas.

  • How can the Budget arrest growth decline?

    Why in the News?

    The growth rate is lower than what the government had expected. Looking at past trends, the 2004-2011 period had high growth and poverty reduction, supported by welfare programs and government interventions.

    Context: 

    • The World Bank forecasts India’s GDP growth to soften to 6.5% for the fiscal year 2024-25, down from previous expectations of 7%. This reflects a slowdown in investment and weak manufacturing growth.
    • The International Monetary Fund (IMF) has also revised its growth forecast for India to 7% for FY24 and 6.5% for FY25, citing robust domestic demand but acknowledging challenges ahead

    How did the period from 2004 to 2011 have a consistently high growth rate?

    • State Intervention and Welfare Programs: This period saw a revival of state interventions through rights-based legislation and welfare schemes, which contributed to economic growth and reduced absolute poverty.
      • Notably, programs like the National Rural Employment Guarantee Act (NREGA) provided jobs and set higher wage floors, benefiting the rural poor.
    • Rising Consumption Among Lower Income Groups: Despite increasing income inequality, the consumption share of the bottom 80% of the population grew faster than that of the richest 20%. This was facilitated by targeted fiscal policies that favoured lower-income groups, enhancing their consumption capacity.

    • Increased Fiscal Expenditure on Social Services: There was a significant rise in social services and developmental expenditures during this time, which directly impacted consumption patterns positively across various commodity categories for lower-income groups.

    Does the nature of fiscal expenditure also matter when it comes to private consumption? 

    • Capital Expenditure vs. Revenue Expenditure:
      • Capital Expenditure (Capex) (e.g., infrastructure projects) primarily benefits high-income groups and corporations, with a lower short-term impact on consumption.
      • Revenue Expenditure (e.g., social welfare, wages, and pensions) immediately boosts demand by increasing disposable income among lower-income groups.
    • Leakages in Capex: Large-scale projects often involve imports (e.g., heavy machinery), leading to capital outflows instead of stimulating the domestic economy.
    • Higher Consumption Propensity of Lower-Income Groups: Money spent on welfare programs reaches people with a higher tendency to spend, leading to a larger multiplier effect on domestic demand.

    How would an increase in revenue expenditure, particularly in the social sector, help? (Way forward)

    • Higher Incomes for Workers: By providing better wages and job opportunities through social programs, disposable income among lower-income populations would rise, thereby boosting overall consumption levels.
    • Stimulating Private Investment: Enhanced consumer demand can create a conducive environment for businesses to invest. As workers have more income to spend, businesses may respond by increasing production capacity, leading to a cycle of investment and growth.
    • Reversing Economic Slowdown: A strategic shift towards increasing revenue expenditure can help combat the current economic slowdown by fostering a more inclusive growth model that benefits a broader segment of society.

    Mains PYQ:

    Q “Industrial growth rate has lagged behind in the overall growth of Gross-Domestic-Product (GDP) in the post-reform period” Give reasons. How far the recent changes in Industrial Policy are capable of increasing the industrial growth rate? (UPSC IAS/2015)

  • [pib] DGFT launches enhanced eCoO 2.0 System

    Why in the News?

    The Directorate General of Foreign Trade (DGFT) has launched the enhanced Certificate of Origin (eCoO) 2.0 system, a major upgrade aimed at simplifying export certification and improving trade efficiency.

    What is eCoO 2.0 System?

    • The eCoO 2.0 system is a digital platform launched by the Directorate General of Foreign Trade (DGFT) to simplify and streamline the issuance of Non-Preferential Certificates of Origin (CoO).
    • Effective January 1, 2025, exporters must electronically file CoO applications through this platform.
    • It aligns with India’s Ease of Doing Business initiative by improving trade facilitation, digital authentication, and document processing.

    Key Features of the eCoO 2.0 System

    • Exporters must submit Non-Preferential Certificates of Origin (CoO) online.
    • Allows exporters to authorize multiple users under a single Importer Exporter Code (IEC).
    • Aadhaar-based e-Signing provides an alternative to Digital Signature Tokens, enhancing security and ease of use.
    • Offers real-time access to eCoO services, Free Trade Agreement (FTA) details, trade events, and notifications.
    • Exporters can request In-lieu CoO for rectifications on previously issued CoOs.
    • The system handles 7,000+ eCoOs daily, integrating 125 issuing agencies, 110 chambers of commerce, and 650+ issuing officers.

    Significance of the eCoO 2.0 System

    • Reduces manual paperwork and speeds up export documentation.
    • Digitally signed CoOs prevent fraudulent certifications and ensure traceability.
    • Facilitates smoother re-exports, trans-shipments, and intermediary trade, boosting India’s position in global supply chains.
    • Faster approvals help exporters comply with international trade agreements, enhancing competitiveness.
    • Aligns with India’s push for paperless trade, reinforcing DGFT’s trade facilitation efforts.

    PYQ:

    [2011]  A “closed economy” is an economy in which:

    (a) the money supply is fully controlled

    (b) deficit financing takes place

    (c) only exports take place

    (d) neither exports or imports take place

  • Why Greenland’s crystal blue lakes have turned brown?

    Why in the News?

    A new study has revealed that over 7,500 lakes in western Greenland have turned brown, suffered water quality deterioration, and started emitting carbon due to extreme weather events in 2022.

    About Greenland and Its Lakes

    • Greenland, the world’s largest island, is covered by a massive ice sheet that holds nearly 8% of the world’s freshwater.
    • The island is home to thousands of glacial-fed lakes, which are crystal blue due to their pristine water quality and low organic content.
    • These lakes play a crucial role in providing drinking water, supporting biodiversity, and storing atmospheric carbon by acting as natural carbon sinks.

    What are the reasons?

    • Extreme Weather in 2022: Greenland saw record-breaking heatwaves and heavy rainfall instead of the usual snowfall.
    • Permafrost Thawing: Rising temperatures melted permafrost, releasing large amounts of organic carbon, iron, and other minerals into the lakes.
    • Atmospheric Rivers: These long, narrow streams of water vapor in the sky caused intense precipitation, leading to large-scale runoff of organic material and sediments into the lakes.
    • Loss of Light Penetration: Increased sedimentation turned the lakes murky brown, reducing sunlight penetration and affecting phytoplankton, which play a key role in carbon absorption.

    Why this Study is important?

    • The study found that changes in the lakes occurred within months instead of centuries, signaling an unprecedented climate impact.
    • Once natural carbon absorbers, the lakes are now releasing 350% more carbon dioxide, accelerating global warming.
    • The lakes, which supply drinking water, now contain higher levels of organic pollutants, affecting both humans and aquatic ecosystems.
    • Studies suggest atmospheric rivers will become 50–290% more frequent by the end of the century, leading to widespread changes in other freshwater ecosystems worldwide.
    • The study adds to growing evidence that Earth’s natural carbon sinks are failing, posing a major challenge to climate mitigation efforts.

    PYQ:

    [2011] The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?

    (a) Ice is a bad conductor of heat

    (b) Since the surface of the lake is at the same temperature as the air, no heat is lost

    (c) The density of water is maximum at 4 °C

    (d) None of the statements A, B and C given above is correct.

  • Labrys portucalensis F11

    Why in the News?

    A research team has discovered that Labrys portucalensis F11, a strain of aerobic bacteria from the Xanthobacteraceae family, can break down and transform multiple types of per- and polyfluoroalkyl substances (PFAS), a group of persistent environmental pollutants.

    About Labrys portucalensis F11

    • It is a type of bacteria that can break down harmful chemicals known as PFAS (Per- and Polyfluoroalkyl Substances).
    • It was first found in contaminated soil at an industrial site in Portugal.
    • Scientists have discovered that it can remove fluorine from certain chemical pollutants, making them less toxic.
    • PFAS are known as “forever chemicals” because they do not break down easily in nature.
    • Labrys portucalensis F11 can digest PFAS, helping to clean up polluted soil and water.

    How does it work?

    • It attacks the strong chemical bonds in PFAS, removing fluorine atoms.
    • It uses carbon from PFAS as food, helping it grow while reducing pollution.
    • It survives in oxygen-rich environments, making it ideal for cleaning up industrial waste sites.
    • In 100 days, it broke down 90% of PFOS, one of the most harmful PFAS chemicals.
    • Unlike most bacteria, it can also break down PFAS leftovers, making them even safer.

    Back2Basics: Per- and Polyfluoroalkyl Substances (PFAS)

    • Per- and Polyfluoroalkyl Substances (PFAS) are a group of synthetic chemicals widely used in industrial and consumer products for their waterproof, grease-resistant, and non-stick properties.
    • PFAS are commonly found in non-stick cookware (Teflon), waterproof clothing, food packaging, fire-fighting foams, and industrial applications.
    • These chemicals are known for their high resistance to heat, water, and oil, making them useful but also environmentally persistent.
    • Common Uses:
      • Non-stick cookware (Teflon), waterproof fabrics, stain-resistant coatings, and fire-fighting foams.
      • Industrial applications such as metal plating, food packaging, and electronics manufacturing.
    • Environmental and Health Concerns:
      • PFAS are often called “forever chemicals” because they do not naturally degrade and persist in soil, water, and living organisms.
      • Exposure to PFAS has been linked to cancer, liver damage, immune system disruption, and hormonal imbalances.
    • Regulatory Actions:
      • In 2023, the U.S. Environmental Protection Agency (EPA) designated PFOS (a type of PFAS) as a hazardous substance, requiring strict monitoring and clean-up efforts.
      • Governments worldwide are phasing out PFAS use and funding research into bioremediation technologies like the F11 bacteria-based clean-up approach.
      • In 2020, the Bureau of Indian Standards (BIS) adopted international criteria for sampling and testing certain PFAS compounds, such as perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS).
        • However, comprehensive policies to regulate or ban PFAS are still lacking.

     

    PYQ:

    [2013] Which of the following can be found as pollutants in the drinking water in some parts of India?

    1. Arsenic
    2. Sorbitol
    3. Fluoride
    4. Formaldehyde
    5. Uranium

    Select the correct answer using the codes given below:

    (a) 1 and 3 only
    (b) 2, 4 and 5 only
    (c) 1, 3 and 5 only
    (d) 1, 2, 3, 4 and 5

  • Organophosphate Poisoning in J&K

    Why in the News?

    A mysterious illness in Jammu & Kashmir has caused 17 deaths, with doctors suspecting organophosphate poisoning from pesticides as the possible cause.

    What are Organophosphates?

    • Organophosphates (OPs) are a class of chemical compounds primarily used as pesticides and insecticides in agriculture.
    • They work by disrupting the nervous system by inhibiting the enzyme acetylcholinesterase (AChE), leading to excessive nerve stimulation.
    • It is commonly used in agriculture, household pest control, and chemical warfare agents (e.g., nerve gases like Sarin).
    • It is found in pesticides such as malathion, chlorpyrifos, and diazinon.
    • Effects of OP poisoning:
      • Acute Symptoms: Excessive sweating, nausea, vomiting, diarrhea, muscle twitching, breathing difficulty, seizures, and coma.
      • Chronic Effects: Neurological disorders, memory loss, muscle weakness, and reproductive toxicity.

    Treatment for Organophosphate Poisoning

    • Organophosphate poisoning requires immediate medical attention to prevent fatal complications.
      • Decontamination: Remove contaminated clothing, wash exposed skin, and use activated charcoal if ingested.
    • Medical Treatment:
      • Atropine: Blocks excess nerve stimulation.
      • Pralidoxime (2-PAM): Restores enzyme function.
      • Oxygen therapy and ventilator support if needed.
      • Supportive Care: IV fluids, anti-seizure medications, and hospitalization in severe cases.

  • “One Nation, One Time” in the country

    Why in the News?

    To ensure uniform timekeeping, the government has proposed new rules requiring Indian Standard Time (IST) to be used exclusively for all official and business purposes. The Consumer Affairs Ministry is inviting public feedback on these rules.

    What are the  Draft Legal Metrology (Indian Standard Time) Rules of 2025?

    • Mandatory Use of IST: The rules establish IST as the sole time reference for legal, administrative, commercial, and official documents across various sectors including commerce, transport, public administration, legal contracts, and financial operations.
    • Prohibition on Alternative Time References: The draft prohibits any time references other than IST for official and commercial purposes. Exceptions are allowed for specialised fields like astronomy and navigation but require prior government approval.
    • Display and Synchronization Requirements: Government offices and public institutions must prominently display IST. Additionally, time-synchronization systems will be necessary to ensure accuracy, reliability, and cybersecurity.
    • Collaboration with Scientific Institutions: The Department of Consumer Affairs is working with the National Physical Laboratory (NPL) and the Indian Space Research Organisation (ISRO) to develop a robust mechanism for time generation and dissemination.
    • Penalties and Compliance Monitoring: Violations of these rules will incur penalties. Regular audits will be conducted to ensure compliance across sectors.

    How the New Draft Rules are significant?

    • Standardisation Across Sectors: The rules mandate the exclusive use of Indian Standard Time (IST) as the sole time reference for all official and commercial activities, including commerce, transport, public administration, and legal contracts. This uniformity is essential for ensuring consistency in operations across diverse sectors.
    • Enhancement of Critical Infrastructure: The initiative aims to improve precision in critical national infrastructure such as telecommunications, banking, defence, and emerging technologies like 5G and artificial intelligence.
    • Support for Technological Advancements: The rules will facilitate the integration of advanced technologies by ensuring that all systems operate on a synchronized time basis. This is particularly important for digital governance, navigation systems, and real-time applications that rely on precise timing.
    • National Security Implications: By synchronizing critical infrastructure, the rules contribute to national security. It will enhance time accuracy and support operations in defense and emergency response scenarios, where timely coordination is crucial.
    • Regulatory Framework and Compliance: The draft establishes a robust regulatory framework, including provisions for penalties and periodic audits to ensure compliance. This will help maintain high standards of timekeeping across all sectors and promote accountability among entities using IST.

    What challenges exist in transitioning to a unified time system?

    • Technological Integration: Upgrading existing systems to synchronise with IST will require significant technological investments and modifications, particularly in sectors like finance and stock exchanges that depend on precise time-stamping for transactions.
    • Coordination Across Sectors: Ensuring compliance across diverse industries such as commerce, transport, and public administration will be complex and resource-intensive, requiring adjustments in scheduling and communication systems, especially for public transportation networks like railways and airlines.
    • Public and Business Awareness: Raising awareness and educating businesses and the public about the new rules is essential for smooth implementation, as smaller enterprises may need additional support to align their operations with IST requirements.

    How will compliance be monitored? (Way forward) 

    • Periodic Audits: Regular inspections will be conducted to ensure compliance with IST regulations across various sectors with government auditors verifying proper implementation in public institutions and commercial enterprises.
    • Penalties for Violations: Non-compliance will result in penalties acting as a deterrent with entities found using alternative time references in official documents facing fines or legal consequences.
    • Collaborative Efforts and Public Feedback: Partnerships with institutions like the National Physical Laboratory and ISRO will support a reliable time dissemination system while stakeholder feedback will help refine the rules and address practical challenges.

    Mains PYQ:

    Q What do you understand by “Standard Positioning System” and “Precision positioning system” in the GPS era? Discuss the advantage India perceives from its ambitious IRNSS programme employing just seven satellites. (UPSC IAS/2015)

  • Why meteorologists are comparing Storm Eowyn to a bomb?

    Why in the News?

    Storm Éowyn has hit the British Isles with very strong winds, especially in Ireland and Scotland.

    What are the meteorological characteristics of Storm Eowyn?

    • Explosive Cyclogenesis: Storm Éowyn qualifies as a “bomb cyclone,” with air pressure at its center dropping 50 millibars within 24 hours, significantly exceeding the 24-millibar threshold for explosive cyclogenesis. This rapid deepening is a hallmark of severe winter storms in the region.
    • Wind Speeds: The storm produced wind gusts exceeding 100 mph, with a record gust of 114 mph reported at Mace Head on Ireland’s west coast. The Met Office issued red warnings for widespread gusts of 80-90 mph, particularly affecting Northern Ireland and central and southern Scotland.
    • Jet Stream Influence: A strong jet stream, with winds exceeding 200 mph, played a crucial role in the storm’s development. The temperature contrast between cold air from the eastern US and warmer air over the North Atlantic contributed to this intensity.

    What impacts it had on affected regions and what are the expected consequences?

    • Power Outages and Damage: Nearly one million properties across the British Isles experienced power outages due to downed trees and damaged infrastructure. Restoration efforts are expected to take several days, with some areas potentially facing up to ten days without power.
    • Transport Disruptions: The storm caused significant disruptions to road and rail services, with many routes blocked or cancelled due to hazardous conditions. Emergency services have been deployed to manage the aftermath.
    • Casualties: Tragically, at least one fatality was reported in Ireland when a tree fell on a vehicle due to the high winds. The overall impact of the storm has raised concerns about safety and emergency preparedness in affected regions.

    How does Storm Eowyn fit into broader climate change trends and patterns of extreme weather events?

    • Climate Change Considerations: While Storm Éowyn’s intensity raises questions about climate change’s role in extreme weather events, current research has not conclusively linked specific storm intensities or frequencies to climate change.
      • The Intergovernmental Panel on Climate Change (IPCC) reports low confidence in observed trends related to extratropical storms over the last century.
    • Future Storm Patterns: There are indications that future winter storms may become more frequent and clustered, leading to increased overall impacts. Additionally, as global temperatures rise, storms may exhibit more extreme wind speeds and rainfall due to a warmer atmosphere’s capacity to hold more moisture.
    • Potential for Sting Jets: There is speculation that Storm Éowyn may have developed “sting jets,” which can produce localized but extremely destructive winds. While their occurrence is difficult to predict, studies suggest that such phenomena may increase with future cyclones as atmospheric conditions evolve.

    Way forward: 

    • Strengthening Infrastructure & Emergency Preparedness – Governments should invest in resilient power grids, reinforced transportation networks, and improved early warning systems to mitigate the impact of extreme storms.
    • Climate Adaptation & Policy Measures – Policymakers should integrate climate resilience into urban planning, enforce stricter building codes, and invest in sustainable land management to reduce vulnerabilities.

    Mains PYQ:

    Q Discuss the concept of air mass and explain its role in macro-climatic changes.(UPSC IAS/2016)

  • What is Guillain-Barre Syndrome (GBS)?

    Why in the News?

    In an alarming move, the Guillain-Barre Syndrome (GBS) cases rise to 110 in Pune.

    What is Guillain-Barré Syndrome (GBS)?

    • GBS is an autoimmune disorder where the immune system attacks peripheral nerves, causing muscle weakness and, in severe cases, paralysis.
    • It is rare, affecting 1–2 per 100,000 people annually.
    • It is more common in adults and males.
    • It is often triggered by viral or bacterial infections, especially Campylobacter jejuni (a cause of gastroenteritis), influenza, Epstein-Barr virus, Zika virus, or, in rare cases, vaccinations.
    • Its Symptoms: 
      • Early signs: Tingling, weakness in legs spreading to the upper body, pins-and-needles sensation, back pain.
      • Severe cases: Paralysis, breathing difficulties, loss of speech, vision problems.
      • Complications: Can affect the autonomic nervous system, leading to irregular heartbeat, blood pressure fluctuations, and potential respiratory failure.

    Treatment and Recovery:

    • No definitive cure, but treatments include:
      • Plasma Exchange (Plasmapheresis): Removes harmful antibodies attacking nerves.
      • Intravenous Immunoglobulin (IVIG) Therapy: Injects healthy antibodies to counteract immune attacks.
    • Supportive care: Some patients require ventilator support, physical therapy, and months to years of rehabilitation.

    PYQ:

    [2022] In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements:

    1. The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform.
    2. Sputnik V vaccine is manufactured using vector-based platform.
    3. COVAXIN is an inactivated pathogen-based vaccine.

    Which of the statements given above are correct?

    (a) 1 and 2 only
    (b) 2 and 3 only
    (c) 1 and 3 only
    (d) 1, 2 and 3