# UDAAN Prelims Wallah (Static) Environment for UPSC Prelims 2025
> Quick Environment and Ecology revision notes for UPSC Prelims and General Studies exams.

## Details

- **Author:** PW OnlyIAS Faculty
- **Publisher:** Physics Wallah Pvt. Ltd.
- **Language:** English
- **Edition:** Prelims 2025 Edition
- **Year:** 2024
- **Pages:** 152
- **File Size:** 25.7 MB
- **Difficulty:** intermediate
- **Price:** Free
- **URL:** https://www.allcompetitionclasses.co.in/books/udaan-prelims-wallah-static-environment

## Exam Relevance
- UPSC Civil Services Preliminary Examination
- State PSC
- CAPF AC
- CDS
- NDA
- EPFO
- SSC CGL
- SSC CHSL
- SSC MTS
- RRB NTPC
- RRB Group D
- IBPS PO
- IBPS Clerk
- RBI Assistant
- Insurance Exams

## Subjects & Topics
- Ecology
- Biodiversity
- Climate Change
- Environmental Pollution
- Conservation
- Protected Areas
- Environmental Laws
- International Environmental Conventions
- Ecosystems
- Sustainable Development
- Environment
- Ecology
- Competitive Exam Prep
- UPSC Preparation

## Tags
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## Full Description
Environment has become one of the most important scoring areas in the UPSC Civil Services Preliminary Examination. Every year, questions are asked from ecology, biodiversity, climate change, international conventions, protected areas, and environmental governance. The challenge is that the syllabus is dynamic and spread across multiple standard books, reports, and current affairs sources. The UDAAN Prelims Wallah (Static) Environment booklet is designed to make revision easier by bringing together all the essential static concepts in one place. It helps aspirants build a strong conceptual foundation while making final revision quick and organized.

Prepared under the PW OnlyIAS UDAAN revision series, this booklet follows an exam-oriented approach. Instead of lengthy explanations, it presents important concepts through concise notes, diagrams, flowcharts, tables, and factual summaries. The content is arranged systematically so that students can understand ecological concepts before moving to biodiversity, climate change, environmental legislation, and conservation efforts. This structure makes the booklet ideal for both first-time learners and aspirants revising before the Prelims examination.

The booklet generally covers ecosystem structure and functions, ecology, food chains, food webs, ecological pyramids, ecological succession, biodiversity, species diversity, endemic and endangered species, biodiversity hotspots, national parks, wildlife sanctuaries, biosphere reserves, Ramsar sites, mangroves, coral reefs, wetlands, forests, environmental pollution, air pollution, water pollution, soil pollution, noise pollution, solid waste management, hazardous waste, climate change, greenhouse gases, global warming, ozone layer depletion, carbon cycle, nitrogen cycle, hydrological cycle, environmental impact assessment, sustainable development, renewable energy, environmental governance, National Green Tribunal, pollution control boards, wildlife conservation laws, Forest Conservation Act, Environment Protection Act, Biological Diversity Act, important international conventions including Ramsar Convention, Convention on Biological Diversity, CITES, UNFCCC, Kyoto Protocol, Paris Agreement, Montreal Protocol, COP meetings, important environmental organizations, and previous year question-oriented facts. The notes also include important species, protected areas, conservation initiatives, and map-based information frequently asked in UPSC examinations.

This booklet is primarily intended for UPSC Civil Services Preliminary Examination aspirants preparing General Studies Paper I. It is also useful for candidates preparing for State Public Service Commission examinations, CAPF Assistant Commandant, CDS, NDA, EPFO, and other competitive examinations where Environment and Ecology form a significant part of General Studies. Students preparing for SSC CGL, SSC CHSL, SSC MTS, RRB NTPC, RRB Group D, Banking examinations, Insurance examinations, and similar government recruitment exams can also use the booklet to strengthen their General Awareness section, especially topics related to biodiversity, climate change, and environmental organizations.

The UDAAN revision series is developed by the expert faculty team of PW OnlyIAS, the UPSC preparation division of Physics Wallah. Their study material is known for simplifying complex subjects into concise revision notes without compromising exam relevance. The booklet reflects the latest UPSC trends, combines conceptual understanding with factual learning, and emphasizes repeated revision through charts, diagrams, and comparison tables. This approach helps aspirants retain information more effectively while reducing the burden of reading multiple resources before the examination.

The PDF edition is optimized for digital learning and fast revision. It is lightweight, mobile-friendly, and compressed for quick downloads without affecting readability. Students can conveniently access it on smartphones, tablets, or laptops during travel, coaching classes, library sessions, or short revision breaks. The digital format also makes it easy to bookmark important chapters, highlight key concepts, and revise frequently asked topics multiple times before the exam.

Environment is a subject where conceptual clarity combined with regular revision produces excellent results. Understanding ecological relationships and conservation efforts is far more useful than memorizing isolated facts. If you are looking for a reliable revision companion that keeps your preparation focused on high-yield topics, this booklet is an excellent choice. Download the PDF, revise consistently, practice previous year questions alongside the notes, and strengthen one of the most important sections of UPSC Prelims with confidence.

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