Questions from Class 11 Economics Chapter 15 Environment and Sustainable Development come up often in the CBSE Class 11 exam. These class 11 economics handwritten notes chapter 15 Environment and Sustainable Development follow the 2026-27 NCERT and cover four functions of the environment, carrying capacity and absorptive capacity, the environmental crisis and its causes. This page hosts the.
- CBSE Class 11 Weightage: a scoring chapter in the Economics paper, asked in short and long answers.
- What the notes cover: four functions of the environment, carrying capacity and absorptive capacity, the environmental crisis and its causes, global warming and ozone depletion.
- Best for: quick revision before Class 11 exams and a base for CUET later.
You can read the complete class 11 economics handwritten notes for Environment and Sustainable Development, with key terms, boxed definitions, and quick revision points, in the PDF below.
These handwritten notes are written by subject teachers, mapped to the 2026-27 NCERT, and checked against the last five years of CBSE Class 11 Economics papers.
What the Environment and Sustainable Development Handwritten Notes Cover
The environment and the economy depend on each other fully. This chapter explains the functions of the environment, the state of India's environment, and the meaning of sustainable development.
- Four functions of the environment
- Carrying capacity and absorptive capacity
- The environmental crisis and its causes
- Global warming and ozone depletion
- State of India's environment and land degradation
- Meaning of sustainable development
- Strategies: solar, wind, CNG and gobar gas
Environment and Sustainable Development Topic-wise Weightage for CBSE Class 11 Economics
Some parts of this chapter are asked more often than others. The table below shows which sub-topics to revise first, based on recent CBSE Class 11 question trends.
| Sub-topic | Weightage | CBSE Frequency |
|---|---|---|
| Four functions of the environment | High | asked most years |
| Sustainable development meaning | High | asked most years |
| Global warming and ozone depletion | Medium | frequent short question |
| State of India's environment | Medium | frequent short question |
| Strategies for sustainable development | Low | occasional question |
Key Terms and Ideas in Environment and Sustainable Development
These are the terms and ideas the exam asks about most. Learn each one so you can define it and use it in your answers.
| Term / Idea | What it means |
|---|---|
| Environment | the total planetary inheritance and whole stock of resources |
| Carrying capacity | extraction below regeneration and waste within limits |
| Absorptive capacity | the ability of nature to absorb degradation |
| Global warming | rise in lower atmospheric temperature from greenhouse gases |
| Ozone depletion | fall in stratospheric ozone caused by CFCs |
| Sustainable development | meeting present needs without hurting future generations |
| Two-fold threat | poverty-induced degradation plus affluence-driven pollution |
| Soil erosion | about 5.3 billion tonnes of soil lost each year |
How Collegedunia's Handwritten Notes Help You Revise Environment and Sustainable Development
These notes are made for the night before the exam. They keep the facts short and easy to scan. Collegedunia maps every point to the 2026-27 NCERT.
- Clear handwriting: each topic is written in neat, easy-to-read handwriting.
- Boxed key terms: the main terms and definitions are boxed by hand for fast recall.
- Diagrams and tables: simple hand-drawn tables and charts make ideas clear.
- Colour-coded headings: new sub-topics stand out, so you find any section in seconds.
Environment and Sustainable Development Self-Assessment Quiz
Try these quick questions after you read the notes. Tap each question to check your answer. They cover the points CBSE asks most often.
How many functions does the environment perform?
(a) two (b) three (c) four (d) five
Answer: (c) four - supply, waste assimilation, life support, and aesthetic services
Global warming is a rise in temperature of the earth's
(a) stratosphere (b) lower atmosphere (c) core (d) oceans only
Answer: (b) lower atmosphere - it rose about half a degree since the industrial revolution
Ozone depletion is caused mainly by
(a) methane (b) carbon dioxide (c) chlorofluorocarbons (d) fly ash
Answer: (c) chlorofluorocarbons - CFCs release chlorine that attacks stratospheric ozone
The Central Pollution Control Board was set up in
(a) 1974 (b) 1991 (c) 1958 (d) 1997
Answer: (a) 1974 - states then set up their own boards too
Sustainable development meets the needs of the present without harming
(a) the market (b) future generations (c) trade (d) industry
Answer: (b) future generations - so they can meet their own needs
How to Use These Handwritten Notes for Class 11 Economics Revision
Use these class 11 economics handwritten notes in two passes. Read them slowly once for the full chapter. Then, near the exam, read only the boxes and key terms for a fast recall.
- Read the notes once with the NCERT chapter open beside you.
- Say each key term and idea in your own words.
- Practise one long-answer question from a past paper.
- On the last day, revise only the key terms and the boxes.
Class 11 Economics Handwritten Notes for All Chapters
The table below links the class 11 economics handwritten notes for every chapter. Use it to jump to any other chapter's notes.
Environment and Sustainable Development Class 11 Economics Handwritten Notes FAQs
Ques. Where can I download Environment and Sustainable Development Class 11 Economics Handwritten Notes PDF?
Ans. You can download the Environment and Sustainable Development Class 11 Economics Handwritten Notes PDF directly from this page. Both the Normal and HD versions are free.
Ques. Are these handwritten notes aligned with the 2026-27 NCERT?
Ans. Yes. These notes follow the current 2026-27 syllabus for Class 11 Economics. Why is water called an economic good in India?
Ques. How many pages is the Class 11 Economics Environment and Sustainable Development Handwritten Notes PDF?
Ans. The notes run about 22 pages. They cover the full chapter with key terms, hand-drawn boxes, and a short self-assessment quiz.
Ques. What is the main idea of the 11th standard Economics chapter Environment and Sustainable Development?
Ans. About seventy per cent of water in India is polluted, so clean water has become scarce. People must now pay to secure safe water, which makes it an economic good.
Ques. Are these Environment and Sustainable Development notes enough for the CBSE Class 11 exam?
Ans. Yes, for revision. The Collegedunia handwritten notes cover every key point and exam term. Read them with the NCERT chapter and practise past questions.
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