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GS Paper: GS3

  • What is the Artificial Reef Project implemented in Kerala?

    Why in the News?

    20,000 pompano fingerlings were released into the sea off Vizhinjam as part of an artificial reef project aimed at replenishing marine fishery resources and promoting sustainable fishing.

    About the Artificial Reef Project in Kerala:

    Details
    Location • Covers 42 fishing villages in Thiruvananthapuram district, from Pozhiyoor to Varkala.
    Aims and Objectives • Enhance fish resources along Kerala’s coast.
    • Support sustainable fishing and improve fishing community livelihoods.
    Structural Mandate and Implementation Funding:

    • ₹13.02 crore project cost under Pradhan Mantri Matsya Sampada Yojana (PMMSY).
    • ₹302 crore allocated for sustainable fisheries in Kerala.

    Implementation:

    • Implemented by KSCADC (Kerala State Coastal Area Development Corporation).
    • Technical support from CMFRI (Central Marine Fisheries Research Institute).

    Future Expansion Plans:

    • Phase II: Proposed to cover 96 villages in Kollam, Alappuzha, Ernakulam, and Thrissur districts (₹29.76 crore).
    • Phase III: Proposed to cover 96 villages in northern districts (₹25.82 crore).
    Significance • Boosts marine biodiversity.
    • Increases fish stocks and supports breeding environments.
    • Promotes sustainable fishing practices.
    • Enhances livelihoods of local communities.

  • New NASA-ISRO Satellite ‘NISAR’ to revolutionise Earth monitoring

    Why in the News?

    • The NISAR (NASA-ISRO Synthetic Aperture Radar) satellite is aimed at advancing our understanding of Earth’s natural processes and environmental changes.
      • Set to be launched into Low Earth Orbit (LEO), NISAR will act as a comprehensive Earth observation observatory.

    About NISAR Satellite:

    Details
    Collaboration • Joint mission between NASA (United States) and ISRO (India).
    Purpose • Designed to monitor Earth’s natural processes and environmental changes, contributing to disaster preparedness, climate research, and sustainable management.
    Launch Date • Planned for early 2025.
    Launch Location • Satish Dhawan Space Centre, Andhra Pradesh, India.
    Launch Vehicle • ISRO’s Geosynchronous Satellite Launch Vehicle Mark II (GSLV Mk II).
    Orbit • Low Earth Orbit (LEO).
    Dual-Band Radar System • L-band radar (provided by NASA): Penetrates dense vegetation and tracks ground motion.
    • S-band radar (provided by ISRO): Enhances precision for surface monitoring.
    Day and Night Functionality • Operates 24/7, unaffected by weather conditions.
    Large Antenna • Diameter: 12 meters.
    • Structure: 39-foot reflector made from gold-plated wire mesh to focus radar signals effectively.
    Features • Scans Earth’s entire surface every 12 days.

    • Measures surface changes with accuracy down to fractions of an inch.

    • Can penetrate vegetation and soil layers, providing 3D reconstructions of subsurface structures.
    Areas of Study • Ecosystems and Environmental Changes (forest biomass, deforestation, wetlands, agricultural lands, glaciers, and ice sheets).
    • Natural Disasters (seismic shifts, volcanic bulging, landslides, and tsunamis).
    Benefits and Applications • Disaster Preparedness: Early warning data for natural disasters.
    • Infrastructure Monitoring: Tracks structural changes in critical infrastructure.
    • Environmental and Climate Research: Studies carbon storage, vegetation dynamics, and climate change impacts.
    Unique Advantages • Largest collaboration between NASA and ISRO.
    • Successfully tested in thermal vacuum conditions in Bengaluru in 2023.

     

    PYQ:

    [2015] The term ‘IndARC’ sometimes seen in the news, is the name of?

    (a) An indigenously developed radar system inducted into Indian Defence.

    (b) India’s satellite to provide services to the countries of Indian Ocean Rim.

    (c) A scientific establishment set up by India in Antarctic region.

    (d) India’s underwater observatory to scientifically study the Arctic region.

  • Corpse flower

    Why in the News?

    The study of Corpse Flower’s (Amorphophallus titanum) heat generation and odor emission has revealed how it attracts pollinators through unique adaptations for reproduction.

    About the Corpse Flower (Titan Arum):

    Details
    Scientific Name Amorphophallus titanum
    Habitat Rainforests of western Sumatra, Indonesia
    Features
    • Grows up to 10-12 feet in height.
    • Blooms once every 5-10 years; bloom lasts 24-48 hours.
    • Carrion-feeding insects (flies, beetles) are attracted by smell and heat.
    • Strong smell of rotting flesh to attract pollinators;
    • Smells like cheese, garlic, decaying fish, sweaty socks, and feces
    • Odor Compounds: Dimethyl trisulfide, trimethylamine, isovaleric acid, indole, putrescine
    • Produces around 400 red-orange fruits, each containing two seeds
    Structure
    • Spadix: Central phallic structure; grows up to 12 feet tall
    • Spathe: Large, dark red petal-like structure around the spadix
    • Corm: Underground energy storage; can weigh up to 45 kg
    Conservation Status Endangered; fewer than 1,000 individuals left in the wild

     

    PYQ:

    [2018] Why is a plant called Prosopis juliflora often mentioned in news?

    (a) Its extract is widely used in cosmetics.

    (b) It tends to reduce the biodiversity in the area in which it grows.

    (c) Its extract is used in the synthesis of pesticides.

    (d) None of the above

  • How AI can help chart pathways of sustainable development for India

    Why in the News?

    With 270 million people set to move to Indian cities in the next 20 years, rapid urbanization will bring major challenges. AI can help tackle these by improving data handling and coordination, supporting India’s vision for a developed nation by 2047.

    How can AI technologies be effectively integrated into India’s sustainable development strategies?

    • AI-Driven Decision Support: AI systems, such as decision support models, can assess impacts of policy decisions (e.g., zoning changes) by simulating various outcomes. This aids urban planning by providing insights into environmental and economic effects.
    • Enhancing Urban Infrastructure: AI can improve last-mile connectivity for public transport, making it more efficient and accessible by continuously analyzing data on transit needs and traffic patterns.
    • Multimodal Urban Transit Systems: AI can support seamless integration of multiple forms of urban transport, allowing coordinated planning for buses, trains, and other transit modes on a digital platform.
    • Digital Twins for Municipal Governance: AI-based digital twins of cities can assist municipal governments in monitoring and predicting urban needs, streamlining operations, and making governance more responsive and data-driven.
    • Energy Distribution and Environmental Monitoring: AI technologies can optimize energy distribution networks, as seen in partnerships like Airawat and Adani, and enable high-precision air and water quality monitoring for real-time governance action.

    What ethical and regulatory frameworks are necessary to ensure responsible AI deployment?

    • Data Privacy and Security: With the vast data required for AI in urban planning, robust data privacy laws are essential to protect individual and community information.
    • Transparency and Accountability: AI decisions, especially those affecting urban infrastructure and environmental policies, should be transparent. Regulatory bodies should ensure AI-driven decisions can be audited, and stakeholders are accountable for outcomes.
    • Equity and Inclusivity: AI systems must avoid biases that could disadvantage marginalized communities. Regulations should mandate fairness, requiring AI models to consider equitable access and outcomes for all socioeconomic groups.
    • Environmental Sustainability Mandates: Given India’s resource constraints, frameworks should prioritize energy-efficient and environmentally conscious AI deployments. Environmental impact assessments should be integrated into the approval process for new AI systems.

    What collaborative efforts are required among stakeholders to maximize AI’s impact on sustainable development?

    • Public-Private Partnerships (PPP): Effective collaboration between government, industry, and research institutions, as demonstrated by Airawat’s partnerships with Adani and TCS, can drive advancements in sustainable energy and urban management systems.
    • Government Oversight and Support: Ministries like the Ministry of Housing and Urban Affairs (MOHUA) play an essential role in offering guidance and oversight, ensuring AI initiatives align with national sustainability objectives and regulations.
    • Research and Academic Collaboration: Involvement of academic institutions such as IITs, as seen with Airawat, brings research rigor and technical expertise to AI solutions, fostering innovation tailored to India’s unique needs.
    • Community Engagement: Collaborating with local communities ensures that AI solutions are grounded in real needs, enhancing acceptance and the relevance of AI in addressing local sustainability challenges.
    • Standardized AI Governance Platforms: Partnerships, such as those with eGovernance Foundation’s DIGIT platform, are essential to create uniform AI governance tools that can be scaled across multiple cities, promoting a cohesive approach to sustainable development across India.

    Mains PYQ:

    Q Major cities of India are becoming vulnerable to flood conditions. Discuss. (UPSC IAS/2016)

  • On improving wind energy generation

    Why in the News?

    Tamil Nadu, a leader in wind energy with turbines over 30 years old, introduced a new policy for upgrading old windmills in August 2024. However, wind energy producers opposed it, took the issue to the Madras High Court, and obtained a stay.

    What is Tamil Nadu’s wind power capacity? 

    • Installed Capacity: As of November 2023, Tamil Nadu has an installed wind energy capacity of approximately 10,377.97 MW, making it the second-largest wind energy producer in India after Gujarat. This represents about 23% of India’s total installed wind capacity.
    • Age of Turbines: Many turbines in Tamil Nadu are over 30 years old, which raises concerns about efficiency and technological advancements5.
    • Potential for Repowering: The state has a repowering potential of over 7,387 MW, which could significantly enhance its energy generation capabilities if older turbines are replaced or refurbished.

    What about national wind energy capacity? 

    • Total Potential: The National Institute of Wind Energy (NIWE) estimates that India has a wind power potential of 1,163.86 GW at a height of 150 meters, ranking fourth globally for installed capacity.
    • Current Utilization: At 120 meters (the standard height for modern turbines), India’s potential is around 695.51 GW, with only about 6.5% currently utilized nationally and nearly 15% in Tamil Nadu.
    • Leading States: The states contributing most to India’s wind power include Gujarat, Tamil Nadu, Karnataka, Maharashtra, Rajasthan, and Andhra Pradesh, which collectively account for approximately 93.37% of the country’s installed capacity.

    What does the repowering and refurbishing of wind turbines mean?

    • Repowering involves replacing old turbines with new ones to enhance efficiency and output. Refurbishing includes upgrading components like gearboxes and blades to improve performance without complete replacement.
    • Regulatory Framework: The Tamil Nadu government introduced a new policy aimed at facilitating these processes. However, generators argue that the policy lacks provisions that effectively promote wind energy generation and financial viability.

    Why are wind energy generators opposing the new policy of the TN government?

    • Concerns from Generators: Wind energy generators have opposed the new “Tamil Nadu Repowering, Refurbishment and Life Extension Policy for Wind Power Projects – 2024”, claiming it does not adequately support the promotion of wind energy generation. They have approached the Madras High Court and received a stay on the policy implementation.
    • Financial Viability Issues: The opposition stems from concerns that repowered turbines will be treated as new installations without banking facilities for generated energy, impacting financial returns on investments.
      • Generators emphasize that without a commercially beneficial framework, investments in repowering will decline.

    Way forward: 

    • Revise the Policy to Ensure Financial Viability: The Tamil Nadu government should amend the policy to provide incentives like banking facilities for energy generated from repowered turbines, making the projects financially viable for investors.
    • Promote Technological Advancements and Infrastructure Upgrades: The policy should focus on facilitating the replacement of old turbines with modern, high-capacity ones and improving wind energy transmission infrastructure to harness the full potential of Tamil Nadu’s wind resources.

    Mains PYQ:

    Q Do you think India will meet 50 percent of its energy needs from renewable energy by 2030? Justify your answer. How will the shift of subsidies from fossil fuels to renewables help achieve the above bjective? Explain. (UPSC IAS/2022)

  • [pib] Decline in Out-of-Pocket Expenditure (OOPE) in Health in India

    Why in the News?

    National Health Accounts (NHA) data for 2021-22 shows a decline in Out-of-Pocket Expenditure (OOPE) on healthcare due to increased government health expenditure (GHE) and an enhanced public healthcare framework.

    What are NHA estimates?

    • The NHA estimates are based on the globally accepted framework of ‘A System of Health Accounts (SHA), 2011’ which facilitates inter-country comparisons.
    • This report provides a systematic description of the financial flows in India’s health system by different sources, how the money is spent, how healthcare is provided, and the nature of healthcare services that are used.

    Key Observations from the NHA 2021-22 Data:

    Details
    Decline in Out-of-Pocket Expenditure (OOPE) OOPE has decreased due to increased government investment and improved public healthcare infrastructure, making healthcare more accessible and affordable.
    Rise in Government Health Expenditure (GHE) GHE as a percentage of GDP rose from 1.13% in 2014-15 to 1.84% in 2021-22. GHE’s share of overall government spending increased from 3.94% to 6.12%, reflecting the government’s commitment to public healthcare.
    Increase in Per Capita Health Spending Per capita health spending tripled from ₹1,108 in 2014-15 to ₹3,169 in 2021-22, allowing for more investment in infrastructure, workforce, and services.
    Expansion of Social Security Expenditure (SSE) SSE on healthcare grew from 5.7% to 8.7% of Total Health Expenditure (THE), helping protect individuals from catastrophic health expenses and reducing OOPE.
    Growth of Government-Funded Insurance Schemes Programs like Ayushman Bharat and state-level health insurance schemes increased healthcare access for economically vulnerable populations, reducing reliance on personal funds.
    Foundation for Universal Health Coverage (UHC) The decline in OOPE and increased public health spending are integral to achieving UHC, aiming for equitable healthcare access for all citizens.

     

    PYQ:

    [2021] “Besides being a moral imperative of a Welfare State, primary health structure is a necessary precondition for sustainable development.” Analyse.

    [2019] In India, the term “Public Key Infrastructure” is used in the context of:

    (a) Digital security infrastructure

    (b) Food security infrastructure

    (c) Health care and education infrastructure

    (d) Telecommunication and transportation infrastructure

  • Amchang Wildlife Sanctuary

    Why in the News?

    A decomposed carcass of an elephant was discovered in the Khanapara range of the Amchang Wildlife Sanctuary.

    About Amchang Wildlife Sanctuary:

    Details
    Location Eastern fringe of Guwahati, Assam.

    Extends from the Brahmaputra River in the north to the hilly forests of Meghalaya in the south.
    Formation Established in 2004 by combining Amchang, South Amchang, and Khanapara reserved forests
    Flora and Fauna Tropical moist deciduous forest, with semi-evergreen areas in valleys and river depressions.

    • Fauna: Asiatic elephants, Chinese pangolin, slow loris, Assamese macaque, rhesus monkey, hoolock gibbon, leopard,  Leopard cat, jungle cat, sambar, barking deer, red serow, Malayan giant squirrel, Himalayan porcupine.
    • Vultures and raptors: White-backed vulture, Slender-billed vulture, White-cheeked hill partridge, Grey peacock pheasant,
    • Birds: Kaleej pheasant, Greater adjutant stork, Great pied hornbill, Oriental pied hornbill, Green imperial pigeon.
    Conservation Status Recognized as an Important Bird & Biodiversity Area (IBA).

     

    PYQ:

    [2018] In which one of the following States is Pakhui Wildlife Sanctuary located?

    (a) Arunachal Pradesh

    (b) Manipur

    (c) Meghalaya

    (d) Nagaland

  • Can India get rich before growing old?

    Why in the News?

    Since liberalization opened up new opportunities, there has been a lot of excitement about India’s demographic dividend, which is the advantage of having a large working-age population but there are major challenges like the middle-income trap.

    Can India leverage its sustained economic growth?

    • Harnessing the Demographic Dividend: With a large working-age population, India has a potential advantage, but it must ensure that this workforce is employed in productive sectors, particularly by shifting labor from low-productivity agriculture to higher-productivity manufacturing and services.
    • Strengthening the Manufacturing Sector: The manufacturing sector, especially labor-intensive industries like textiles, has the potential to create millions of jobs. By addressing barriers such as complex regulations, high tariffs, and infrastructure constraints, India can boost manufacturing growth, empower women, and drive economic mobility.
    • Reforming Infrastructure and Business Environment: Improving ease of doing business, simplifying trade and labor regulations, and increasing investment in infrastructure are critical for unlocking India’s potential for sustained growth. These reforms will enable large-scale job creation and enhance India’s global competitiveness.

    Challenges arising due to the middle-income trap

    • Declining Demographic Dividend: The proportion of working-age individuals in India’s population is set to decline in the coming decade, marking the potential end of the demographic dividend. Fertility rates have dropped across various states, which means India may face an aging population sooner than expected.
    • Stagnation in Key Sectors: India has struggled to reduce its agricultural workforce in the same way China did after liberalisation, making it harder to transition people to higher-productivity industries. Despite some growth in the services sector, manufacturing has stagnated and failed to generate the necessary number of jobs, especially in labor-intensive industries.
    • Limited Economic Mobility: High levels of youth unemployment and the lack of opportunities for individuals to move up the economic ladder have hindered India’s economic progress. The country’s labor force participation rate (LFPR) remains low, particularly among women, and urban job creation has not been sufficient to absorb the growing population.
    • Infrastructure and Regulatory Bottlenecks: The business environment is constrained by complex regulations, high tariffs, cumbersome licensing procedures, and a lack of access to land, all of which prevent the manufacturing sector from thriving. India’s slow regulatory reforms have stifled growth in manufacturing, which is essential for absorbing the workforce.

    How the Manufacturing sector can help India grow?

    • Job Creation: Manufacturing, especially in labour-intensive sectors like textiles and apparel, can create large numbers of jobs. This is vital for absorbing the surplus labour from agriculture and providing employment opportunities for the youth.
      • For example, the textile and apparel industry employs 45 million people compared to just 5.5 million in IT-BPM, highlighting its potential for mass employment.
    • Women’s Empowerment: Manufacturing, particularly industries like textiles, offers significant employment to women (60-70% of factory workers), helping reduce gender disparities in the labour force.
    • Economic Mobility: By creating better job opportunities, manufacturing helps people transition from low-productivity agricultural jobs to higher-wage, more stable positions in the industrial and service sectors. This transition is key to achieving sustained economic growth and avoiding the middle-income trap.
    • Global Competitiveness: Reducing barriers to manufacturing — such as simplifying business licensing, lowering tariffs on inputs, improving access to land, and streamlining trade regulations — can help India increase its competitiveness globally. Expanding market access through free trade agreements and making the business environment more conducive to manufacturing can unlock the potential of this sector.

    Steps taken by the government: 

    • “Make in India” Initiative: Launched in 2014, this initiative aims to transform India into a global manufacturing hub by promoting domestic production, reducing regulatory hurdles, and attracting foreign direct investment (FDI) in key manufacturing sectors such as electronics, textiles, and automobiles.
    • Atmanirbhar Bharat (Self-reliant India): This program focuses on reducing dependence on imports by boosting local manufacturing, especially in strategic sectors like defense, electronics, and pharmaceuticals.
      • It includes initiatives such as the Production-Linked Incentive (PLI) scheme, which offers incentives for manufacturing and exporting specific products like electronics, textiles, and solar panels.

    Way forward: 

    • Enhance Skill Development and Workforce Transition: India must invest in targeted skill development programs to equip its labor force, particularly those transitioning from agriculture, with the necessary skills for higher-productivity manufacturing and services sectors.
    • Accelerate Regulatory and Infrastructure Reforms: To unlock the full potential of the manufacturing sector, India should expedite regulatory reforms, simplify land acquisition processes, and enhance infrastructure.

    Mains PYQ:

    Q Can the strategy of regional-resource-based manufacturing help in promoting employment in India? (UPSC IAS/2019)

  • LignoSat: the First Wooden Satellite launched into space

    Lignosat: the First Wooden Satellite launched into space

    Why in the News?

    The world’s first wood-panelled satellite, LignoSat, was recently launched to test the use of timber as a renewable material for future space missions.

    About LignoSat Satellite:

    Details
    Purpose To test the potential of wood as a renewable building material in space applications.
    Developed By Kyoto University and Sumitomo Forestry of Japan.
    Launch Details Launched on November 5 aboard a SpaceX Dragon cargo capsule.
    Mission Duration Spend a month at the International Space Station (ISS) before being deployed into Earth’s orbit for six months to test its performance.
    Size and Weight Measures 4 inches (10 cm) per side and weighs 900 grams.
    Material Built with magnolia wood panels, using a traditional Japanese technique that avoids screws and glue.
    Construction Combines wood-panel casings with aluminium structures and standard electronic components.
    Durability Testing Designed to withstand extreme temperature fluctuations in space, ranging from -100 to 100 degrees Celsius every 45 minutes.

    LignoSat as a Renewable Solution for Space Construction

    • Reduced Environmental Impact: Unlike conventional aluminium-based satellites, LignoSat reduces pollutants like aluminium oxides that damage the ozone layer upon re-entry.
    • Sustainable Material: Wood is a renewable, lightweight, and corrosion-resistant material in space, as there is no water or oxygen to accelerate degradation.
    • Long-Term Vision: The satellite could pave the way for sustainable space construction, with future plans to use wood in building structures on the Moon and Mars.
    • Mitigating Orbital Congestion: As satellite constellations grow, sustainable materials like wood could help reduce space debris and pollution in Earth’s orbit.

    PYQ:

    [2016] With reference to ‘AstroSat’, the astronomical observatory launched by India, which of the following statements is/are correct?

    1. Other than USA and Russia, India is the only country to have launched a similar observatory into space.

    2. AstroSat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.

    Select the correct answer using the code given below:

    (a) 1 only

    (b) 2 only

    (c) Both 1 and 2

    (d) Neither 1 nor 2

  • APOBEC (Apolipoprotein B mRNA Editing Catalytic Polypeptide)

    Why in the News?

    Since smallpox was eradicated in 1980, research on mpox has highlighted how the virus mutates, particularly through the APOBEC family of immune system proteins.

    About APOBEC

    • APOBEC (Apolipoprotein B mRNA Editing Enzyme, Catalytic Polypeptide-Like) is a family of proteins involved in regulating the genetic material of viruses and cells.
    • They are part of the human immune system and play a crucial role in protecting against viral infections by editing RNA and DNA.
    • APOBEC consists of several enzymes, with APOBEC1, APOBEC3 family members being the most well-known.
    • There are 11 identified members of the APOBEC family, primarily named APOBEC1, APOBEC2, and APOBEC3, with APOBEC3 being the most studied due to its antiviral properties.
    • It has a Zinc Finger Domain, which is essential for their enzymatic activity and ability to bind to DNA or RNA.
    • APOBEC proteins are found in various tissues and cells, but they are notably present in the immune cells such as T-cells, B-cells, and macrophages.
    • Role in Immune Defense:
      • APOBEC proteins contribute to the innate immune response by editing viral genomes, preventing the replication of viruses, and reducing the ability of viruses to establish infections.
      • They are known to be cytosine deaminases, which means they modify cytosine bases in nucleic acids to uracil, leading to mutations that can prevent successful viral replication.
      • APOBEC proteins target the genomes of several viruses, including retroviruses (like HIV), hepatitis B virus, and poxviruses (such as mpox and smallpox).

    Functions of APOBEC Proteins:

    • DNA Editing: APOBEC proteins can deaminate cytosine bases in single-stranded DNA, converting them into uracil, which can lead to mutations.
      • This introduces errors in the viral genome and inhibits replication.
    • RNA Editing: Some APOBEC proteins, like APOBEC1, are involved in editing mRNA. In the case of APOBEC1, it helps edit the mRNA of apolipoprotein B, which is crucial for lipid metabolism.
    • Antiviral Activity: APOBEC3 proteins, particularly APOBEC3G, inhibit the replication of HIV and other retroviruses by editing viral DNA during reverse transcription.
      • They also reduce the replication of poxviruses (such as mpox), making them crucial in controlling infections caused by these viruses.
    • Cytosine Deamination in Viral RNA: APOBEC proteins induce mutations in viral RNA, reducing the virus’s ability to efficiently replicate and spread. This helps prevent viral evolution and adaptation.
    • Inhibition of Viral Resistance: By causing mutations in viral genomes, APOBEC proteins prevent viruses from easily developing resistance to the immune system’s defenses.
    • Interaction with Other Immune Mechanisms: APOBEC proteins work in concert with other immune mechanisms, like interferons, to enhance antiviral responses and limit infections.

    PYQ:

    [2016]  In the context of the developments in Bioinformatics, the term ‘transcriptome’, sometimes seen in the news, refers to:

    (a) a range of enzymes used in genome editing

    (b) the full range of mRNA molecules expressed by an organism

    (c) the description of the mechanism of gene expression

    (d) a mechanism of genetic mutations taking place in cells