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GS Paper: GS3

  • Biologics & Biosimilars: The next frontier in Affordable Medicines

    Why in the News?

    While most medicines are small molecule drugs with simple structures, a newer class—biologics and biosimilars—is reshaping modern medicine with their complex, targeted action.

    What are Small Molecule Drugs?

    • Definition: Chemically synthesised, low molecular weight compounds.
    • Features: Fixed structure, chemically stable, easy to replicate, patent-protected.
    • Cost Dynamics: Expensive while under patent; affordable generics post-expiry (e.g., Sovaldi dropped from $84,000 to $1,000).

    About Biologics & Biosimilars:

    • Biologics-
      • Overview: Large, complex drugs made from living cells or organisms.
      • Examples: Insulin (~5,800 daltons), Remicade (~150,000 daltons).
      • Nature: Slight structural variations possible; used for cancer, autoimmune diseases, hormone therapy.
    • Biosimilars-
      • Overview: Near-identical versions of biologics, made after patent expiry.
      • Not Generics: Due to complex cell-based production, they’re similar but not identical.
      • Use: Offer lower-cost alternatives to high-end biologics.

    Regulation and Reform:

    • Current Barriers: Biosimilars need costly trials (animal + clinical), unlike generics.
    • Global Moves: UK and USA are easing animal trial norms (organ-on-chip, human models).
    • India: Still follows older norms; waivers under review, but clinical trials still mandatory.

    Significance for India:

    • Access: Generic small molecules transformed Indian healthcare.
    • Opportunity: Affordable biosimilars can do the same for chronic and rare diseases.
    • Urgency: Regulatory reform is key to reduce costs, speed up access, and widen healthcare coverage.
    [UPSC 2020] What is the importance of using Pneumococcal Conjugate Vaccines in India?

    (1) These vaccines are effective against pneumonia as well as meningitis and sepsis. (2) Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced. (3) These vaccines have no side effects and cause no allergic reactions.

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

     

  • Why the ICJ’s advisory opinion on climate change opens the window for a new, restorative vision of environmental law in India

    Why in the News?

    Recently, the International Court of Justice (ICJ) delivered a landmark advisory opinion on July 23, 2025, clarifying the legal obligations of states regarding climate change.

    Note: The International Court of Justice (ICJ) is the principal judicial organ of the United Nations. While advisory opinions are not formally binding, they hold persuasive (Convince other) legal weight and reflect the Court’s authoritative interpretation of international law.

    What does the ICJ say about saving nature and the climate?

    • Nature is a climate actor, not just a victim: ICJ recognizes ecosystems like forests, oceans, and coral reefs as active parts of the climate system. Eg: Forests absorb CO₂ and regulate rainfall.
    • Protecting nature is a legal climate duty: Countries have a responsibility to safeguard nature as part of their climate obligations. Eg: Wetlands must be preserved to manage floods and store carbon.
    • Ecological literacy is essential: Decision-makers must understand ecosystem roles in climate regulation. Eg: Mangrove destruction worsens storm impact and carbon release.
    • Biodiversity and climate are equal: Climate action must not come at the cost of biodiversity. Eg: Solar parks should not destroy grasslands or wildlife zones.
    • Global justice includes nature’s rights: The ICJ promotes a shift from human-centred to eco-centred justice. Eg: Legal personhood to rivers (like Ganga) aligns with this approach.

    How can India align the ICJ view with Articles 21 and 48A of the Constitution?

    • Recognize environmental rights as part of Right to Life (Article 21): Link clean air, water, and a healthy ecosystem to the fundamental right to life. Eg: Supreme Court’s recognition of the right to a healthy environment in the Subhash Kumar case.
    • Implement Directive Principle on environment (Article 48A): Strengthen policies to protect and improve forests, rivers, and biodiversity. Eg: Initiatives like Namami Gange align with this duty.

    What are the roles of Tribals in India’s climate plans?

    The roles of tribals in India’s climate plans are crucial because they are deeply connected with nature and are key to conservation and climate resilience.

    • Traditional Ecological Knowledge: Tribals have deep understanding of local ecosystems, useful for conservation and climate adaptation. Eg: Bhil tribes, Madhya Pradesh – traditional water harvesting for drought resilience.
    • Forest and Biodiversity Guardianship: Indigenous communities act as forest protectors and biodiversity custodians, aiding carbon sequestration. Eg: Dongria Kondh, Odisha – protect Niyamgiri Hills’ biodiversity.
    • Sustainable Livelihood Practices: Tribes follow low-carbon, eco-friendly practices, supporting climate goals. Eg: Apatani tribe, Arunachal Pradesh – eco-friendly wet rice farming (growing rice in flooded fields).
    • Community-Based Climate Adaptation: Local innovation enables faster climate resilience and resource management. Eg: Women in Kutch, Gujarat – build check dams for water security.
    • Effective Implementation of Climate Schemes: Grassroots involvement improves policy success, ensures inclusive development. Eg: Van Dhan Yojana – empowers tribal collectives for sustainable forest use.

    Which laws should India improve to better protect nature and fight climate change?

    • Strengthen Environmental Impact Assessment (EIA): Make public consultations more transparent and science-based. Eg: Dilution in EIA 2020 draft faced criticism for reducing oversight on polluting projects.
    • Amend Forest Conservation Act (FCA): Ensure tribal rights and ecological value are protected during land diversion. Eg: FCA 2023 allowed exemptions for some forest lands, risking biodiversity loss.
    • Update Air (Prevention and Control of Pollution) Act, 1981: Include stricter penalties and real-time monitoring for industrial emissions. Eg: Delhi’s recurring smog highlights the law’s limited deterrence.

    Way forward:

    • Empower Local Communities: Recognize and support tribal and grassroots climate efforts through legal rights, funding, and capacity building.
    • Mainstream Climate in Policy Planning: Integrate climate adaptation and mitigation into urban planning, agriculture, and infrastructure development.
    • Promote Green Finance and Innovation: Incentivize clean technologies, nature-based solutions, and public-private partnerships for sustainable development.

    Mains PYQ:

    [UPSC 2023] The most significant achievement of modern law in India in the constitutionalization of environmental problems by the Supreme Court. Discuss this statement with the help of relevant case laws.

    Linkage: The article highlights that India’s Supreme Court has interpreted Article 21 (right to life) to include the right to a healthy environment, and the ICJ’s opinion internationalizes this idea, providing a strong basis for India’s legal framework to embrace a restorative vision.

  • What is Darwin Tree of Life (DToL) Project?

    Why in the News?

    Researchers in Britain & Ireland are aiming to sequence all animals, fungi and plants under the Darwin Tree of Life (DToL) Project.

    About Darwin Tree of Life (DToL) Project:

    • Objective: To sequence the genomes of all ~70,000 known eukaryotic species (whose cells contain a nucleus and other membrane-bound organelles) found in Britain and Ireland.
    • Initiated: In 2019 as a UK–Ireland contribution to the Earth BioGenome Project.
    • Geographic Focus: Great Britain and Ireland, chosen for their well-documented and accessible biodiversity.

    Key Features:

    • Phases:
      • Pilot Phase (2019–2022): Focused on collecting 8,000 species; targeted 2,000 genome assemblies.
      • As of 2025: ~8,000 species collected; over 2,000 genomes sequenced.
    • Approach:
      • Systematic specimen collection and species verification.
      • High-quality genome sequencing using advanced tools and curated pipelines.
    • Public Access: All genome data is released openly via the DToL portal and public archives.
    • Scientific Significance:
      • Enhances understanding of evolution, adaptation, and species relationships.
      • Supports conservation efforts amid growing biodiversity threats.
    • Applications: Informs conservation biology, medicine, agriculture, and climate adaptation.
    [UPSC 2011] At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?

    1. It is possible to know the pedigree of livestock.

    2. It is possible to understand the causes of all human diseases.

    3. It is possible to develop disease-resistant animal breeds.

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

     

  • [1st August 2025] The Hindu Op-ed: Why the world needs better green technologies

    PYQ Relevance:

    [UPSC 2024] The world is facing an acute shortage of clean and safe freshwater. What are the alternative technologies which can solve this crisis? Briefly discuss any three such technologies citing their key merits and demerits.

    Linkage: This question directly related to “alternative technologies” to address a critical global environmental and resource crisis (freshwater scarcity). This aligns with the broader theme that the world needs better and diverse green technologies to tackle urgent environmental problems and ensure resource self-sufficiency, as emphasized in the context of energy innovation.

     

    Mentor’s Comment: As the push for sustainable energy intensifies, concerns are rising over the efficiency limits of widely used silicon photovoltaics. With the growing need for green hydrogen and land constraints, experts are questioning whether next-gen solar technologies offer better solutions. India must invest in efficient, diverse, and scalable innovations to meet climate goals and ensure energy self-sufficiency.

    Today’s editorial analyses the concerns that are rising over the efficiency limits of widely used silicon photovoltaics. This topic is important for GS Paper III (Environment) in the UPSC mains exam.

    _

    Let’s learn!

    Why in the News?

    Recently, as the global need for clean energy has increased and countries aim to fulfill their climate promises, silicon solar panels have become the most popular choice, changing the look of places from city rooftops to large solar farms in villages.

    What limits silicon photovoltaics in meeting India’s climate goals?

    • Low Energy Efficiency: Silicon solar panels have an in-field efficiency of only 15–18%, meaning a significant portion of solar energy is not converted into electricity. Eg: In Rajasthan, more panels are required to meet energy demand, increasing cost and land use due to low conversion efficiency.
    • High Land Requirement: Due to their low efficiency, silicon panels need a larger surface area to generate the same output compared to newer technologies. Eg: The Rewa Solar Park in Madhya Pradesh covers over 1,500 hectares, reducing land availability for agriculture and conservation.
    • Slow Climate Impact: Despite growing solar capacity, CO₂ levels have risen from 350 ppm in 1990 to ~425 ppm in 2025, indicating renewables are not scaling fast enough. Eg: Even after installing 4.45 TWh of renewable energy by 2024, India remains behind on its climate targets.
    • Environmental Footprint of Manufacturing: The production of silicon panels involves high energy use and toxic chemicals, partially offsetting their green benefits. Eg: Most panels are imported from China, where coal-powered factories dominate, adding to indirect emissions.
    • Incompatibility with Advanced Applications: Silicon PVs are less suitable for high-efficiency applications like green hydrogen production, which needs more consistent, high-output energy. Eg: In pilot projects in Gujarat, using silicon panels reduces the overall efficiency of green hydrogen production due to energy losses.

    Why rethink electrolysis-based green hydrogen?

    • High Energy Consumption: Electrolysis requires more energy to produce green hydrogen than the energy hydrogen provides when used, making the process energy-inefficient. Eg: In India’s pilot projects in Ladakh, the high electricity input from solar panels results in low net energy gain, raising concerns about economic viability.
    • Storage and Transportation Challenges: Hydrogen has very low density, making it difficult and expensive to store and transport, often requiring high-pressure tanks or cryogenic conditions. Eg: In hydrogen mobility projects, such as those in Delhi, leakage and compression issues have hampered safe and cost-effective deployment.
    • Compounding Energy Losses in Conversion: Using green hydrogen to produce green ammonia or methanol, and then extracting hydrogen back, leads to multiple stages of energy loss. Eg: In proposed export hubs like Vizag, converting hydrogen to ammonia for shipping and then reconverting it abroad reduces overall energy efficiency.

    How do land and efficiency issues impact India’s solar push?

    • Low Efficiency Increases Land Requirement: Silicon solar panels with 15–18% efficiency require larger surface areas to generate the same energy as advanced solar technologies. Eg: In Rajasthan’s Bhadla Solar Park, vast desert land is used to compensate for low panel efficiency, which limits deployment in land-constrained states.
    • Urbanisation Limits Land Availability: Rapid urban expansion and the need to conserve green zones reduce the availability of suitable land for large-scale solar projects. Eg: In Mumbai’s metropolitan region, limited open space has pushed the focus toward rooftop solar, which has its own technical and regulatory hurdles.
    • Hinders Achievement of Renewable Energy Targets: The inefficient land-to-energy ratio slows down the pace of solar capacity expansion, affecting progress toward India’s net-zero commitments. Eg: In Tamil Nadu, where land is both fertile and scarce, competing demands between agriculture and solar installations have delayed key solar proposals.

    What role can artificial photosynthesis play in renewable energy?

    • Direct Conversion of Sunlight into Fuel: Artificial photosynthesis (APS) mimics natural photosynthesis to convert sunlight, water, and CO₂directly into fuels like green methanol or hydrogen, offering a clean, efficient alternative to traditional energy-intensive processes.
    • Bypasses Inefficiencies in Current Technologies: APS has the potential to eliminate multiple energy-loss steps such as electrolysis, storage, and reconversion, thereby enhancing the overall energy efficiency of renewable fuel production systems.

    Why invest in next-gen renewable tech like RFNBO? (Way forward)

    • Enhances Energy Independence: Renewable Fuels of Non-Biological Origin (RFNBO) can reduce India’s heavy reliance on imported fossil fuels (currently ~85%), promoting energy self-sufficiency in a geopolitically volatile world.
    • Supports Diverse and Efficient Decarbonisation: RFNBO technologies enable the production of cleaner fuels like green hydrogen, ammonia, and methanol using renewable electricity, offering higher efficiency and adaptability for industrial and transport sectors.
    • Future-Proofing India’s Energy Strategy: Investing in RFNBO ensures India is aligned with global clean energy innovations, allowing it to meet net-zero targets and remain competitive in emerging green fuel markets.

  • IMF releases World Economic Outlook (WEO)

    Why in the News?

    The International Monetary Fund (IMF) has released the July 2025 update to its World Economic Outlook (WEO).

    IMF releases World Economic Outlook (WEO)

    About World Economic Outlook (WEO):

    • Published By: International Monetary Fund (IMF)
    • Frequency: Biannual (April, October) + updates in January and July
    • Purpose: Provides global forecasts on GDP, inflation, trade, and policy trends
    • Data Sources: IMF consultations with member nations and internal models
    • Audience: Governments, institutions, investors, researchers
    • July 2025 Update Title: “Global Economy: Tenuous Resilience amid Persistent Uncertainty”

    Key Highlights – July 2025 Update:

    • Global Growth Projections:
      • 2025: 3.0% (↑ from 2.8% in April)
      • 2026: 3.1% (↑ from 3.0%)
    • Despite multiple shocks—COVID-19, the Ukraine war, tariff increases—global growth continues.
      However, resilience remains fragile due to:

      • US–China tariff tensions and rising protectionism
      • Conflicts in Ukraine and the Middle East
      • High public debt in advanced economies is raising interest rates
    • Country Forecasts for 2025:  United States: 1.9%,  China: 4.8% (↑ from 4.0%),  Euro Area: 1.0%,  Germany: 0.1%,  United Kingdom: 1.2%,  Japan: 0.7%,  Russia: 0.9%,  Pakistan: 2.7%.

    India – The Bright Spot:

    • Growth Rate: 2023: 9.2%;  2024: 6.5%;  2025: 6.4% (strongest among major economies).
    • Drivers of Growth:
      • Robust domestic demand
      • Strong services and manufacturing output
      • Effective inflation and monetary policy management
    • Strategic Position:
      • Set to overtake several advanced economies in GDP size
      • Viewed globally as a “bright spot” amid persistent uncertainties
    [UPSC 2014] Which of the following organisations brings out the publication known as ‘World Economic Outlook?

    Options: (a) The International Monetary Fund * (b)The United Nations Development Programme (c) The World Economic Forum (d) The World Bank

     

  • What are Skill Impact Bonds (SIB)?

    Why in the News?

    Skill Impact Bonds (SIB) were recently highlighted by the Skill Development Ministry.

    About the Skill Impact Bond:

    • Launched: November 2021
    • Nature: India’s first Development Impact Bond (DIB) focused on employment-linked skill development
    • Lead Agency: National Skill Development Corporation (NSDC), under the Ministry of Skill Development and Entrepreneurship
    • Collaborators: British Asian Trust, HSBC India, Michael & Susan Dell Foundation
    • Target: Train and place 50,000 youth over 4 years, with 62% women participation
    • How it Works:
      • Risk Investors: Provide upfront capital to training providers
      • Training Providers: Deliver skill training and ensure job placements
      • Outcome Funders: Repay investors only if job outcomes are achieved
      • Evaluators: Independently assess outcomes via CATI surveys and document verification

    Key Features:

    • Outcome-Focused Approach: Measures success by certification, placement, and 3-month retention, not just enrolment
    • Eligibility Criteria:
      • Age: 18–40 years; Education: Undergraduate or below
      • Status: Unemployed or earning below ₹15,000/month, or household income below ₹25,000/month
    • Sectoral Coverage: Retail, Healthcare, Apparel, Logistics, Information Technology & IT-enabled Services, Banking, Financial Services & Insurance.
    • Women-Focused Design: Ensures 62% female participation to bridge the gender employment gap
    [UPSC 2018] With reference to Pradhan Mantri Kaushal Vikas Yojana, consider the following statements:

    1. It is the flagship scheme of the Ministry of Labour and Employment.

    2. It, among other things, will also impart training in soft skills, entrepreneurship, financial and digital literacy.

    3. It aims to align the competencies of the unregulated workforce of the country to the National Skill Qualification Framework.

    Which of the statements given above is/are correct?

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

     

  • [pib] Digital Payments Index (DPI)

    Why in the News?

    According to the Reserve Bank of India (RBI), digital payments registered a 12.6% year-on-year rise as of March 31, 2024, as measured by the RBI’s Digital Payments Index (DPI).

    About RBI’s Digital Payments Index (DPI):

    • Launched by: Reserve Bank of India (RBI) in January 2021
    • Purpose: Measures the extent of digital payment adoption across India
    • Base Period: March 2018 (Index value = 100)
    • Release Frequency: Semi-annually (with a 4-month lag)
    • Objective: Track usage, infrastructure, and growth in digital payments
    • Key Parameters (with Weightage): These evaluate infrastructure readiness, transaction volume, user adoption, and innovation.
      1. Payment Enablers – 25%
      2. Payment Infrastructure – Demand Side – 10%
      3. Payment Infrastructure – Supply Side – 15%
      4. Payment Performance – 45%
      5. Consumer Centricity – 5%

    Growth Highlight:

    • Growth Trends in RBI-DPI: DPI grew nearly 5 times from 100 in March 2018 to 493.22 in March 2025, reflecting India’s rapid digital payment adoption.
    • Nearly 5× increase from the base value in 7 years
    • Driven by rapid expansion of Unified Payments Interface (UPI), mobile wallets, and QR code infrastructure
    [UPSC 2024] Consider the following countries:

    I. United Arab Emirates II. France III. Germany IV. Singapore V. Bangladesh

    How many countries amongst the above are there other than India where international merchant payments are accepted under UPI?”

    Options: (a) Only two (b) Only three* (c) Only four (d) All the five

    Answer: (b) Only three (UAE, France, Singapore)

     

  • [31st July 2025] The Hindu Op-ed: Restoring mangroves can turn the tide on India’s coastal security 

    PYQ Relevance:

    [UPSC 2019] Discuss the causes of depletion of mangroves and explain their importance in maintaining coastal ecology.

    Linkage: The article explicitly details the importance of mangroves, stating they are “critical in India’s pursuit of climate resilience, biodiversity conservation, and the empowerment of coastal communities”. It explains their role as “natural barriers, protecting coastal communities from cyclones, tidal surges, and erosion”, and their significance in “biodiversity conservation”. The article also discusses the threats leading to their “depletion,” such as “urban expansion, aquaculture, pollution, and changing climate patterns”.

     

    Mentor’s Comment:  India’s mangrove forests have come into focus due to growing efforts to restore and protect them amid increasing threats from urban expansion, climate change, and pollution. Recent successful restoration projects in Tamil Nadu, Gujarat, and Mumbai, along with support from government missions and private partners, highlight India’s growing role in mangrove conservation. These forests are vital for climate resilience, coastal protection, and biodiversity, making their preservation a national priority.

    Today’s editorial analyses India’s growing efforts to restore mangrove forests. This topic is important for GS Paper III (Environment) in the UPSC mains exam.

    _

    Let’s learn!

    Why in the News?

    Recently, mangrove restoration efforts in Tamil Nadu, Gujarat, and Mumbai have been successful.

    What is the extent of Mangroves in India?

    • India’s total mangrove cover is 4,992 sq km, accounting for 0.15% of the country’s geographical area (as per ISFR 2021).
    • West Bengal, Gujarat, and the Andaman & Nicobar Islands hold the largest mangrove areas, with West Bengal (Sundarbans) alone covering over 42% of the total.

    Why are mangroves vital for climate and coastal resilience in India?

    • Natural Coastal Shield: Mangroves act as buffers against cyclones, storm surges, and coastal erosion. Eg: During the 2004 tsunami, villages protected by mangroves in Tamil Nadu suffered less damage compared to those without them.
    • Climate Change Mitigation: They store “blue carbon” in biomass and deep soil, helping to absorb excess CO₂. Eg: India’s mangroves contribute significantly to carbon sequestration, aiding in climate targets under the Paris Agreement.
    • Biodiversity Hotspots: Provide breeding grounds for fish, crabs, birds, and other marine life. Eg: Thane Creek Flamingo Sanctuary in Mumbai supports over 180 bird species due to nearby mangroves.
    • Livelihood Support for Communities: Sustain traditional occupations like fishing, honey gathering, and crab farming. Eg: Sunderbans communities rely on mangroves for fishing and honey collection.
    • Disaster Risk Reduction: Reduce the impact of natural disasters by slowing floodwaters and stabilising shorelines. Eg: In Odisha, mangroves helped minimise damage during Cyclone Phailin (2013).

    What threatens India’s mangroves?

    • Urbanisation and Industrial Expansion: Mangrove areas are cleared for ports, housing, and industrial zones. Eg: Mangrove loss in Mumbai due to Navi Mumbai airport construction.
    • Aquaculture and Agriculture Encroachment: Conversion of mangrove land into shrimp farms or paddy fields disrupts ecosystems. Eg: Andhra Pradesh lost mangroves to extensive aquaculture projects.
    • Pollution: Discharge of industrial effluents, plastic, and sewage harms mangrove health. Eg: Thane Creek, Mumbai, faces heavy pollution impacting biodiversity.
    • Climate Change and Sea Level Rise: Changes in salinity, temperature, and rising sea levels affect mangrove regeneration. Eg: Sundarbans face submergence and loss due to rising sea levels.
    • Overexploitation of Resources: Excessive collection of wood, honey, and fodder leads to degradation. Eg: In West Bengal, unsustainable practices by local communities reduce forest cover.

    How has community involvement aided mangrove restoration in Tamil Nadu?

    • Collaborative Restoration Projects: Community members partnered with institutions like the M.S. Swaminathan Research Foundation and the Tamil Nadu Forest Department for restoring degraded mangroves. Eg: In Muthupettai’s Pattuvanachi estuary, locals helped implement a 115-hectare restoration plan.
    • Tidal Canal Digging for Hydrology Restoration: Villagers participated in digging 19 major canals to restore natural tidal flow, crucial for mangrove survival. Eg: This intervention successfully revived water movement in Muthupettai, enabling mangrove regrowth.
    • Seed Collection and Plantation: Locals actively collected and planted seeds of native mangrove species like Avicennia and Rhizophora. Eg: Over 4.3 lakh Avicennia seeds and 6,000 Rhizophora propagules were planted by community members.
    • Removal of Invasive Species: Community groups helped clear invasive weeds like Prosopis juliflora, which compete with mangroves for space and nutrients. Eg: In Kazhipattur near Buckingham Canal, Chennai, invasive plants were removed before mangrove restoration began.
    • Support for Green Missions and Monitoring: Local residents supported and maintained mangrove cover under the Green Tamil Nadu Mission, ensuring long-term success. Eg: Community participation helped double Tamil Nadu’s mangrove area from 4,500 ha to 9,000 ha (2021–2024).

    What is the role of corporate partnerships in mangrove revival in Mumbai?

    • Financial and Technical Support: Amazon’s Right Now Climate Fund invested $1.2 million (₹10.3 crore) in a restoration project along Thane Creek, enabling large-scale ecological rehabilitation.
    • Pollution Control and Ecosystem Restoration: Partnered with Hasten Regeneration and Brihanmumbai Municipal Corporation to install trash booms that intercept plastic waste, aiming to collect 150 tonnes over 3 years while planting 3.75 lakh mangrove saplings.
    • Community Empowerment and Livelihood Generation: Created paid employment opportunities for local women in planting and maintenance, linking ecological recovery with socio-economic upliftment.

    Why is Gujarat leading in mangrove restoration?

    • Ambitious Scale under MISHTI Scheme: Under the Mangrove Initiative for Shoreline Habitats and Tangible Incomes (MISHTI), launched in 2023, Gujarat planted over 19,000 hectares of mangroves within two years—far exceeding the national five-year target of 54,000 hectares.
    • Strategic Coastal Coverage & Biodiversity Focus: Gujarat holds about 23.6% of India’s total mangrove cover, with major plantations in Kutch, Bhavnagar, Surat, and Dumas-Ubhrat. These areas support critical ecological balance, biodiversity, and local livelihoods.
    • Strong Governance, Planning & Local Institutional Support: Efficient coordination between the Gujarat Forest Department, state environment agencies, and local communities has ensured success. Structured coastal mapping, restoration planning, and promotion of ecotourism-linked livelihoods have further strengthened outcomes.

    What are the steps taken by the Indian government? 

    • Green India Mission & State Missions: Through the National Green India Mission and state-level initiatives like the Green Tamil Nadu Mission, the government supports afforestation, ecosystem restoration, and community-based conservation efforts.
    • Inclusion in Coastal Regulation Zone (CRZ) Rules: Mangrove areas are designated as Ecologically Sensitive Zones (ESZ) under the CRZ Notification, restricting construction and promoting their protection through legal safeguards and regulatory oversight.

    Way forward: 

    • Strengthen Community-Based Conservation: Empower local communities through training, incentives, and formal roles in monitoring and maintaining mangroves to ensure sustainable, long-term protection.
    • Integrate Mangroves into Climate and Development Planning: Recognise mangroves as vital climate infrastructure by integrating them into coastal zone management, disaster resilience strategies, and carbon credit frameworks.

  • New Guidelines for Management of Contaminated Sites

    Why in the News?

    The Union Environment Ministry has notified the Environment Protection (Management of Contaminated Sites) Rules, 2025 under the Environment (Protection) Act, 1986.

    About the Environment Protection (Management of Contaminated Sites) Rules, 2025:

    • Nodal Agency: Ministry of Environment, Forest and Climate Change (MoEFCC).
    • Legal Basis: Framed under the Environment (Protection) Act, 1986.
    • Purpose: India’s first dedicated legal framework to identify, clean up, and monitor contaminated sites.
    • Goal: Prevent environmental degradation, enforce clean-up, and ensure polluter accountability.
    • Funding Pattern:
      • Himalayan & Northeast states: 90% Centre – 10% State
      • Other states: 60% Centre – 40% State
      • Union Territories: 100% Centre

    Key Features:

    • Site Classification: Sites categorized as suspected, potentially contaminated, or confirmed, based on scientific evidence.
    • Exclusions: Sites involving radioactive waste, mining, marine oil spills, or municipal solid waste (regulated separately).
    • Transparency & Tracking: Central Pollution Control Board (CPCB) to maintain a real-time online portal with public access.
    • Public Participation:
      • 60-day window for stakeholder feedback post-listing.
      • Final site lists must be published in regional newspapers.
    • Polluter Pays Principle:
      • Identified polluters must bear full remediation cost and repay within 3 months.
      • Land use changes or ownership transfers restricted during/post clean-up.
    • Orphan Sites (No Known Polluter): Clean-up funded through:
      • Environment Relief Fund
      • Environmental violation penalties
      • Government budgetary support
    • Voluntary Remediation: Private entities with technical capacity may remediate sites with landowner consent.
    • Monitoring Committees: State and Central-level bodies to oversee implementation and submit annual compliance reports.

    Back2Basics: Environment (Protection) Act, 1986

    • Enactment: In response to the Bhopal Gas Tragedy; derives authority from Article 253 of the Constitution.
    • Objective: To protect and improve the environment and prevent hazards to life and property.
    • Significance: Acts as India’s umbrella environmental legislation, coordinating with the Water Act (1974) and Air Act (1981).
    • Key Provisions:
      • Pollution standards via Environment (Protection) Rules.
      • Hazardous Waste Rules, 1989 – manage toxic waste.
      • Chemical Safety Rules – control handling of hazardous chemicals.
      • Cells Rules, 1989 – govern gene tech and genetically modified organisms.
    • Power: Empowers the Central Government to act directly for environmental protection.

     

    [UPSC 2019] Consider the following statements:

    The Environment Protection Act, 1986 empowers the Government of India to:

    1. State the requirement of public participation in the process of environmental protection, and the procedure and manner in which it is sought.

    2. Lay down the standards for emission or discharge of environmental pollutants from various sources.

    Which of the statements given above is/are correct?

    Options: (a) 1 only (b) 2 only* (c) Both 1 and 2 (d) Neither 1 nor 2

     

  • Grassland Bird Census in Kaziranga

    Why in the News?

    The Prime Minister recently highlighted a first-of-its-kind grassland bird census in Kaziranga National Park, Assam.

    About the Bird Census:

    • Significance: India’s first-ever dedicated census of grassland birds
    • Led by: Chiranjib Bora (PhD scholar), supported by INSPIRE Fellowship from the Department of Science & Technology
    • Organised by: Park authorities, scientists, and conservationists
    • Objective:
      • Document rare, endemic, and threatened grassland bird species
      • Focused on 10 priority species endemic to the Brahmaputra floodplains

    Methodology Used:

    • Passive Acoustic Monitoring (PAM):
      • Recording devices placed in tall trees during breeding season
      • Recordings captured across 29 locations over 3 days
      • Ideal for detecting small, shy, camouflaged birds not easily visible
    • Sound Identification Tools:
      • BirdNet: Machine learning tool used to identify bird calls
      • Spectrograms: Visual analysis of sound patterns; Final identifications verified by ornithologists

    Key Findings:

    • Total Species Recorded: 43 grassland bird species
    • Priority Species Identified: Bengal Florican, Swamp Francolin, Finn’s Weaver, Jerdon’s Babbler, Black-breasted Parrotbill, among others
    • Major Discovery: A breeding colony of over 85 Finn’s Weaver nests—first-ever documentation
    [UPSC 2014] If you walk through countryside, you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. Which of the following is/are such bird/birds?

    1. Painted Stork  2. Common Myna  3. Black-necked Crane

    Options: (a) 1 and 2 (b) 2 only* (c) 2 and 3 (d) 3 only