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    Environment & Ecology: UPSC Notes, Key Concepts & Practice

    High-yield Environment coverage for UPSC Prelims and Mains. Revise ecosystems, biodiversity, conservation, climate change, policies, pollution, and sustainable development — with crisp summaries, mains points, prelims tips, and MCQs.

    Chapter index

    How to study Environment & Ecology· about 18 Prelims questions a year (2013–2024)Show

    What UPSC asks most

    Ecology concepts, climate change, species in news, protected areas, pollution, Indian laws and international conventions: the subject with the most Prelims questions.

    Most-asked topics in past papers: Ecology Concepts, Climate Change, Species in News. See the trend

    Traps to avoid

    • Conservation status of species (IUCN, CITES, Wildlife Act schedules) mixed up.
    • Wrong year or host city for climate conferences.

    How to study it here

    1. Learn the core ecology concepts first, then the conventions and laws.
    2. Follow species and protected areas in the news through current affairs.
    3. Revise conventions and laws with a table: year, body, India's role.

    Mains: GS III: environment answers need recent policy and data.

    Environment & Ecology

    Chapter notes in English and Hindi, with tests and past questions

    Environment & Ecology Playlist

    9 chapters • 0 completed

    1

    General Ecology & Environment Concepts

    10 topics

    2

    Ecosystem Dynamics & Functions

    14 topics

    3

    Terrestrial & Aquatic Biomes

    12 topics

    4

    Biodiversity & Conservation

    31 topics

    5

    International Conventions & Frameworks

    15 topics

    6

    Indian Legislation, Policies & Missions

    28 topics

    7

    Contemporary Environmental Issues

    17 topics

    8

    Environmental Pollution and Waste Management

    7 topics

    9

    Environmental Laws and Institutions

    6 topics

    Practice
    Progress (0%)
    0 / 9 complete

    Chapter 9: Environmental Laws and Institutions

    Chapter Test
    6 topics•Estimated reading: 18 minutes
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    Environment & Ecology: chapter-wise UPSC notes

    Read any chapter as a full page in English or Hindi. 9 chapters · 140 topics.

    1. 1. General Ecology & Environment Conceptsहिंदी
    2. 2. Ecosystem Dynamics & Functionsहिंदी
    3. 3. Terrestrial & Aquatic Biomesहिंदी
    4. 4. Biodiversity & Conservationहिंदी
    5. 5. International Conventions & Frameworksहिंदी
    6. 6. Indian Legislation, Policies & Missionsहिंदी
    7. 7. Contemporary Environmental Issuesहिंदी
    8. 8. Environmental Pollution and Waste Managementहिंदी
    9. 9. Environmental Laws and Institutionsहिंदी

    Environment in the news

    Recent current affairs linked to the syllabus topic they belong to.

    All current affairs