Environment Notes for UPSC Prelims and Mains

By Durga Prashanna Mishra|Updated : August 25th, 2022

Environment Notes for UPSC would help the candidates in the preparation of the environment segment in both UPSC Prelims and UPSC Mains. Questions from Environment have been frequently asked in UPSC's previous year's question papers. Hence it becomes vital for the candidates to catch hold of Environment Notes for UPSC. Additionally, the Environment and Ecology UPSC notes can also help the candidates prepare for the essay section.

In this article, we have provided all the topics covered in the environment section of the UPSC Syllabus. Covering the Environment Notes for UPSC would help candidates to build both basic and advanced foundations in this particular portion. Additionally, we have provided Environment and ecology notes PDF, which would be immensely helpful during the quick revision.

Table of Content

Environment Notes for UPSC Prelims

The focus area of the Environment in the UPSC Prelims exam includes- General Issues on Environmental Ecology, Climate change, Biodiversity, Environmental Pollution, etc. preparing for less concrete topics like these can be challenging for the UPSC Aspirant. In that case, the Environment Notes for UPSC can be helpful by providing the required information to the candidates for the Preparation of Environment section of the UPSC Prelims Syllabus.

When analyzing the UPSC Prelims Question Paper, one would understand that most of the questions related to trending topics, Current Affairs. That's why apart from relying on Environment and ecology, UPSC notes candidates should stay updated with the new government policies, trending topics on climate change, etc. In addition, candidates can also take the help of NCERT Books for UPSC to build a solid foundation in Environment and ecology.

Environment Notes for UPSC Mains

The Environment section of UPSC Mains Syllabus includes a basic understanding of the Environment and Ecology, Ecosystem and Its Dynamic, Biogeochemical Cycles, Types of Ecosystem, Biosphere, Biodiversity, Pollution, Climate Change, etc. UPSC Mains is subjective in nature, and that's why candidates have to be prepared with some advanced level UPSC Books, and they have to be ready with Environment Notes for UPSC for the revision purpose.

Environment Notes for UPSC Prelims and Mains PDF Download

Below, we have provided the environment and ecology notes PDF for the preparation of both UPSC Prelims and UPSC Mains.

Environment and Ecology Notes PDF



Concept of System

Energy Cycle

Important Terms

Understanding the Ecosystem

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(Genetic Diversity, List of modern drugs derived from Plant sources, Endemic and Exotic species Species Diversity, Ecosystem Diversity, Value of Biodiversity)

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Endemic Species and their regions

Statutory Acts/Bodies

International Conferences

Conservation of Biodiversity

Constitutional Provisions

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Climate Change


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How to Prepare with Environment and Ecology UPSC Notes

Candidates may have the required information, but presenting the information in a clear and concise manner can be a challenging task, especially in UPSC Mains. That’s why candidates need to make the best use of the Environment Notes for UPSC.

  • Candidates need to make a habit of listing current affairs along with the static parts of the Environment and ecology UPSC notes.
  • Candidates must go through the UPSC Previous Year Question Papers to see the nature of the question.
  • The emphasis on the basic concepts and static part is still there, but the dynamic part is also getting more weightage.

How to Prepare Environment Notes for UPSC

Apart from relying on the sources, candidates can also make their own hand-written Environment Notes for UPSC by following these tips.

  • For UPSC Prelims, candidates can refer to NCERT books while making notes. NCERT textbooks are written in simple language that would help in building a solid foundation.
  • After completing the NCERT books, candidates can jump to some advanced-level books for making notes. For UPSC Mains, candidates must have in-depth knowledge of the Environment and ecology.
  • Candidates also need to use current affairs as a part of their note-making. Aspirants can find a lot of articles related to the environment section. They should make short points of these editorials or articles for effective note-making.
  • Candidates can also make flowcharts as it would be easier to remember things. Additionally, it will save time and provide a better form of representation.


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FAQs on Environment Notes for UPSC Prelims and Mains

  • Environment Notes for UPSC is essential for the preparation of both UPSC Prelims and Mains. Candidates can download the Environment Notes for UPSC from the given links below.

  • To make the Environment Notes for UPSC, candidates can refer to the NCERT Textbooks, Textbook of Environmental Studies for Undergraduate Courses by Erach Bharucha, Objective Environmental Sciences by B. B. Singh, and Ecology and Environment by P. D. Sharma.

  • NCERTs are enough for making the environment and ecology UPSC notes for Prelims. However, for the UPSC Mains, candidates need to take the help of some advanced-level books.

  • To prepare the environment and ecology UPSC notes, candidates need to take the help of the NCERT books and some advanced level books. They need to jot down the points they find important from the UPSC Exam Point of view.

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