{"id":10304,"date":"2025-12-03T13:50:16","date_gmt":"2025-12-03T08:20:16","guid":{"rendered":"https:\/\/vajiramandravi.com\/upsc-exam\/?p=10304"},"modified":"2025-12-04T12:33:10","modified_gmt":"2025-12-04T07:03:10","slug":"upsc-environment-and-ecology-syllabus","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/upsc-exam\/upsc-environment-and-ecology-syllabus\/","title":{"rendered":"UPSC Prelims Environment and Ecology Syllabus 2025"},"content":{"rendered":"

UPSC Prelims Environment and Ecology syllabus includes important concepts like environment, biodiversity and ecological systems. Topics like ecosystems, climate change and its conservation and national and international environmental laws. To qualify UPSC Civil Services Examination, one should be well aware about these concepts.\u00a0<\/span><\/p>\r\n

UPSC Prelims Environment and Ecology Syllabus 2025<\/span><\/h2>\r\n

While the UPSC Prelims syllabus does not provide detailed subtopics under Environment and Ecology, a general outline can be derived based on previous years\u2019 questions and themes. The following areas are considered important:<\/span><\/p>\r\n

    \r\n\t
  1. Ecology:<\/b>Basic concepts related to ecosystems, their structure and function, biotic and abiotic components, food chains, food webs, and ecological interactions.<\/span><\/li>\r\n\t
  2. Biodiversity:<\/b> Types and levels of biodiversity, biodiversity hotspots, endangered and endemic species, conservation efforts, and key international conventions (e.g., CBD, CITES).<\/span><\/li>\r\n\t
  3. Climate Change:<\/b>Causes and consequences of climate change, mitigation and adaptation strategies, and global initiatives like the Paris Agreement and IPCC reports.<\/span><\/li>\r\n\t
  4. Environmental Pollution:<\/b> Types of pollution\u2014air, water, soil, and noise\u2014their sources, impacts, and control measures including national programmes and pollution control boards.<\/span><\/li>\r\n\t
  5. Environmental Degradation:<\/b>Issues such as deforestation, land degradation, desertification, and soil erosion, along with their ecological and socio-economic impacts.<\/span><\/li>\r\n\t
  6. Conservation Efforts:<\/b>Protected areas including biosphere reserves, national parks, wildlife sanctuaries, and community reserves; in-situ and ex-situ conservation methods.<\/span><\/li>\r\n\t
  7. Environmental Laws and Policies:<\/b>Overview of major environmental legislations (e.g., Environment Protection Act, Forest Conservation Act), national policies, and regulatory institutions.<\/span><\/li>\r\n\t
  8. Sustainable Development:<\/b>Principles of sustainable development, Sustainable Development Goals (SDGs), and the role of stakeholders in promoting environmental sustainability.<\/span><\/li>\r\n\t
  9. Environmental Movements:<\/b>Important environmental movements and campaigns in India and globally, including their objectives, leadership, and outcomes.<\/span><\/li>\r\n\t
  10. Current Affairs:<\/b>Recent developments, national and international reports, government initiatives, and emerging issues related to environment and ecology.<\/span><\/li>\r\n<\/ol>\r\n

    UPSC Prelims Environment and Ecology Topic Wise Syllabus 2025<\/span><\/h2>\r\n

    The table below contains the detailed UPSC Environment and Ecology Syllabus to prepare for 2025:\u00a0<\/span><\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    \r\n

    Part I: Environment and Ecology\u00a0<\/b><\/p>\r\n<\/td>\r\n<\/tr>\r\n

    \r\n

    1. Basics\u00a0 of Environment and Ecology\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Categories of Environment\u00a0<\/span><\/li>\r\n\t
    • Features of Environment\u00a0<\/span><\/li>\r\n\t
    • Components of Environment\u00a0<\/span><\/li>\r\n\t
    • Ecology Basics<\/span><\/li>\r\n\t
    • Types of Environment\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    2. Ecosystem\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Definition of an Ecosystem, Dynamics Within Ecosystems, Elements Comprising Ecosystems, Interconnections Within Food Chains and Webs, Population Pyramids, and Influences of Living and Non-Living Factors.\u00a0<\/span><\/li>\r\n\t
    • Variations in Ecosystem Types, Strategies for Preserving Ecosystems, Alterations Observed in Ecosystems, Examples Like Eutrophication, Coral Reefs, Initiatives Such as The Namami Ganga Program, and Recent Actions Taken.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    3. Biogeochemical Cycles\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Gaseous Cycle, Sedimentary Cycle, Human Impact on the Carbon Cycle, and Nutrient Cycle\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    4. Pollution and Degradation\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Degradation of Land, Methods For Preserving Soil Integrity, Erosion of Soil, Practices For Managing Land Sustainably, Expansion of Deserts, Contamination of The Air,\u00a0<\/span><\/li>\r\n\t
    • Disturbances Caused by Noise, Presence of Plastic Waste, Radiation Contamination, Increase in Temperature of Water Bodies Due to Human Activities, Deterioration of Water Quality And Pollution of Oceans,\u00a0<\/span><\/li>\r\n\t
    • Negative Impacts of Mining on The Environment, Strategies Like Bioremediation for Restoring Ecological Balance, Connections Between Environmental Pollution and Human Health, Phenomenon of Acid Precipitation.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    5. Environmental Issues\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Indian Himalayan\u00a0<\/span><\/li>\r\n\t
    • Sand Mining\u00a0<\/span><\/li>\r\n\t
    • Palm Oil\u00a0<\/span><\/li>\r\n\t
    • Wildlife Deaths\u00a0<\/span><\/li>\r\n\t
    • Human Animal Conflict\u00a0<\/span><\/li>\r\n\t
    • Genetically Engineered Trees\u00a0<\/span><\/li>\r\n\t
    • Cost of Environmental Degradation\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    6. Environment Impact Assessment\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Environmental Impact Assessment:\u00a0<\/span><\/li>\r\n\t
    • Need for EIA, EIA Cycle and procedure\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    7. Population Ecology\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Characteristics of Populations, Models Explaining Population Growth, Various Species and The Dangers They Face, and The Maximum Population Earth can Support.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    8. Waste Management\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Biomedical Waste\u00a0<\/span><\/li>\r\n\t
    • E-Waste Management\u00a0<\/span><\/li>\r\n\t
    • Hazardous Waste\u00a0<\/span><\/li>\r\n\t
    • Solid Waste Management\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    Part II: Biodiversity\u00a0<\/b><\/p>\r\n<\/td>\r\n<\/tr>\r\n

    \r\n

    1. Basics of Biodiversity\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Types of Biodiversity, Scales At Which Biodiversity Is Assessed, Methods For Quantifying Biodiversity, Different Types of Services Provided by Biodiversity\u00a0<\/span><\/li>\r\n\t
    • Approaches to Safeguarding Biodiversity, Red Data Book, Factors Posing Risks to Biodiversity\u00a0<\/span><\/li>\r\n\t
    • Disappearance of Species, Categories and Reasons Behind Species Disappearance, Repercussions Of Species Loss, Endangered Species Native to India\u00a0<\/span><\/li>\r\n\t
    • Efforts To Conserve Biodiversity Within India, International Agreements And Guidelines Aimed At Safeguarding Biodiversity.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    2. Indian Biodiversity\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Indian Bio-Geographical Classification, Fauna and\u00a0 Flora Diversity\u00a0<\/span><\/li>\r\n\t
    • Animal Diversity of India:\u00a0<\/span><\/li>\r\n<\/ul>\r\n
        \r\n\t
      • Mammals\u00a0<\/span>\r\n
          \r\n\t
        • Critically Endangered Animals,\u00a0<\/span><\/li>\r\n\t
        • Mammals,\u00a0<\/span><\/li>\r\n\t
        • Birds,\u00a0<\/span><\/li>\r\n\t
        • Fishes,\u00a0<\/span><\/li>\r\n\t
        • Corals,\u00a0<\/span><\/li>\r\n\t
        • Man- Animal Conflict.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n
            \r\n\t
          • Plant Diversity of India:\u00a0<\/span>\r\n
              \r\n\t
            • Plant Classification\u00a0<\/span><\/li>\r\n\t
            • Insectivorous Plants\u00a0<\/span><\/li>\r\n\t
            • Invasive Alien Flora\u00a0<\/span><\/li>\r\n\t
            • Medicinal Plants\u00a0<\/span><\/li>\r\n\t
            • Tree Characteristics\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t
            • Schedule Animals of WPA, 1972\u00a0<\/span><\/li>\r\n\t
            • Marine Organism: Plankton and Its Types, Seagrass and Seaweed\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    3. Biodiversity Conservation Initiatives\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • National Initiatives: Wildlife Sanctuary and National Parks Conservation Reserves and Community Reserves, Coastal Protected Areas, Sacred Groves of India, Export Prohibited Items.\u00a0<\/span><\/li>\r\n\t
    • Global Initiatives: Man And Biosphere, Biosphere Reserves, National Biosphere Reserve Programme, World Network of Biosphere Reserves, Biodiversity Hotspots, World Heritage Sites\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    4. Conservation Efforts\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Project Tiger, Lion, Leopards, Elephant, Secure Himalaya, Hangul\u00a0<\/span><\/li>\r\n\t
    • Crocodile Conservation Project\u00a0<\/span><\/li>\r\n\t
    • Captive Breeding, and Other Government Measures\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    Part III: Climate Change\u00a0<\/b><\/p>\r\n<\/td>\r\n<\/tr>\r\n

    \r\n

    1. Basic Understandings\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Greenhouse Gases and Greenhouse Effects;\u00a0<\/span><\/li>\r\n\t
    • Global warming and its potential\u00a0<\/span><\/li>\r\n\t
    • Ozone depletion;\u00a0<\/span><\/li>\r\n\t
    • Ocean Acidification and Rising Sea Level\u00a0<\/span><\/li>\r\n\t
    • India and Climate Change: Agriculture and Food Security, Water Stress, Sea Level, Rise, Ecosystem and Biodiversity, Health\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    2. India and Climate Change\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Carbon Mitigation Strategies:\u00a0 Carbon Sequestration Carbon Credit and Offsetting,\u00a0 Carbon Tax, and Geo-Engineering.\u00a0<\/span><\/li>\r\n\t
    • Climate Change in India\u00a0<\/span><\/li>\r\n\t
    • Indian Network on Climate Change Assessment, NATCOM, India\u2019s Policy Structure Relevant to GHG Mitigation, Green Building, Griha, NAFCC\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    3. Climate Change Organizations\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • IPCC and IPCC Reports;\u00a0<\/span><\/li>\r\n\t
    • UNFCCC and Important Conference of Parties.\u00a0<\/span><\/li>\r\n\t
    • Kyoto Protocol and Other Developments\u00a0<\/span><\/li>\r\n\t
    • REDD and REDD+ , Global Environment Facilities, Climate Smart Agriculture, and the National Green House Gas Inventories Programme.\u00a0<\/span><\/li>\r\n\t
    • Green Economy, Climate Finance, and Other Global Initiatives\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    Part IV: Agriculture\u00a0<\/b><\/p>\r\n<\/td>\r\n<\/tr>\r\n

    \r\n

    Agriculture\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Crop and its Classification, Various Tillage Operations, Cropping Systems and Patterns, Types of Farming System, Sustainable Agriculture,\u00a0 and its Components\u00a0 Organic Farming and Natural Farming,\u00a0 Integrated Farming System, Soil and its characteristics.\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    Part V: Miscellaneous\u00a0<\/b><\/p>\r\n<\/td>\r\n<\/tr>\r\n

    \r\n

    1. Acts and Policies\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Wildlife Protection Act (WPA) 1972\u00a0<\/span><\/li>\r\n\t
    • Environment Protection Act (EPA) 1986\u00a0<\/span><\/li>\r\n\t
    • National Forest Policy, 1988\u00a0<\/span><\/li>\r\n\t
    • Biological Diversity Act, 2002\u00a0<\/span><\/li>\r\n\t
    • FRA 2006\u00a0<\/span><\/li>\r\n\t
    • CRZ\u00a0<\/span><\/li>\r\n\t
    • Wetland Rules 2010 National Green Tribunal,\u00a0<\/span><\/li>\r\n\t
    • The Ozone Depleting Substances Rules.\u00a0<\/span><\/li>\r\n\t
    • Bio-Medical Waste Management Rules, 2016,\u00a0<\/span><\/li>\r\n\t
    • E-Waste Management Rules, 2016,\u00a0<\/span><\/li>\r\n\t
    • Plastic Waste Management (PWM) Rules, 2016,\u00a0<\/span><\/li>\r\n\t
    • Wetland Rules 2010 National Green Tribunal,\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    2. Environmental Organisations\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • Organisations, their Origin, and various initiatives taken\u00a0<\/span><\/li>\r\n\t
    • Animal Welfare Board, Central Zoo Authority, National Biodiversity Authority, Wildlife Crime Control Bureau\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    3. Environmental Conventions:\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n
      \r\n\t
    • UNCED, UNCCD, UNCBD, Ramsar Convention, CITES, TRAFFIC, CMS, IUCN, Stockholm, Basel, and Rotterdam Convention, Vienna Convention and Montreal Protocol, Kigali Agreement, Globally Important Agricultural Heritage Systems, and Minamata Convention\u00a0<\/span><\/li>\r\n<\/ul>\r\n<\/td>\r\n<\/tr>\r\n
    \r\n

    4. Other Facts\u00a0<\/b><\/p>\r\n<\/td>\r\n

    		\r\n