Environment & Ecology for UPSC CSE is an examinationoriented book designed for aspirants preparing for the UPSC Civil Services Examination and various State PSC examinations. The book provides comprehensive coverage of the Environment & Ecology syllabus with a structured, stepbystep approach to concept building.

The book combines conceptual understanding with 10+ years of Previous Year Questions (PYQs) with answer keys and integrates recent current affairs relevant to Environment & Ecology. It also includes 2026 Prelims and Mains Questions to align preparation with recent examination requirements.

KEY FEATURES:

1. Full Syllabus Coverage: Comprehensive coverage of the Environment & Ecology syllabus.

2. StepbyStep Concept Building: Concepts explained in a structured manner for systematic preparation.

3. 10+ Years of PYQs with Answer Key: Previous Year Questions with answer keys to understand examination trends.

4. Recent Current Affairs Integration: Relevant current affairs integrated with the subject matter.

5. 2026 Prelims & Mains Questions: Includes questions from the 2026 Prelims and Mains examinations.

CONTENTS:

UNIT 1: Introduction – Basic Terms

UNIT 2: Ecology

UNIT 4: Classification Of Ecosystems

UNIT 5: Functions Of An Ecosystem

UNIT 6: Biogeochemical Cycles

UNIT 7: Basics Of Biodiversity

UNIT 8: Biodiversity Of India

UNIT 9: Biodiversity Degradation Causes & Its Impact

UNIT 10: Biodiversity Conservation

UNIT 11: Biodiversity Conservation International Efforts

UNIT 12: Biodiversity Conservation Indian Efforts

UNIT 13: Important Species

UNIT 14: Air Pollution

UNIT 15: Noise Pollution

UNIT 16: Solid And Hazardous Wastes

UNIT 17: Electronic Waste

UNIT 18: Other Waste And Remedies

UNIT 19: Global Warming And Climate Change

UNIT 20: Impact Of Global Warming

UNIT 21: Intergovernmental Panel On Climate Change Reports

UNIT 22: Environmental Impact Assessment

UNIT 23: International Environmental Conferences, Conventions, Ngo'S And Laws

UNIT 24: Wildlife Conservation Efforts

UNIT 25: Geoengineering To Fight Climate Change

UNIT 26: Sources Of Energy

UNIT 27: Renewable Sources Of Energy

UNIT 28: NonRenewable Sources Of Energy

UNIT 29: Power Sector In India

UNIT 3: Ecosystem

UNIT 30: Miscellaneous