Questions from Class 11 Geography Chapter 11 World Climate and Climate Change come up often in the CBSE Class 11 exam. These class 11 geography handwritten notes chapter 11 World Climate and Climate Change follow the 2026-27 NCERT and cover three ways to classify climate, koeppen's scheme and its letters, five groups a, b, c, d and e..

20+ pages | Key Terms + Quick Recall | Exam-focused notes · Class 11 Geography Chapter 11, 2026-27 NCERT
  • CBSE Class 11 Weightage: a scoring chapter in the Geography paper, asked in short and long answers.
  • What the notes cover: three ways to classify climate, koeppen's scheme and its letters, five groups a, b, c, d and e, climate types like af, bsh, cs, df, et.
  • Best for: quick revision before Class 11 exams and a base for CUET later.

You can read the complete class 11 geography handwritten notes for World Climate and Climate Change, 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 Geography papers.

What the World Climate and Climate Change Handwritten Notes Cover

World climate is grouped into smaller units so it is easy to study. Koeppen used temperature and rainfall to sort climate into five groups. This chapter also covers how the climate is changing and why.

  • Three ways to classify climate
  • Koeppen's scheme and its letters
  • Five groups A, B, C, D and E
  • Climate types like Af, BSh, Cs, Df, ET
  • Evidence and causes of climate change
  • Global warming and the greenhouse effect
  • Greenhouse gases and the Kyoto Protocol
Concept: Koeppen sorts world climate by temperature and rainfall, while greenhouse gases now drive global warming.

World Climate and Climate Change Topic-wise Weightage for CBSE Class 11 Geography

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-topicWeightageCBSE Frequency
Koeppen's classification and groupsHighvery frequent
Greenhouse gases and global warmingHighvery frequent
Causes of climate changeMediumfrequent
Climate types and their regionsMediumfrequent
Evidence of past climate changeLowoccasional

Key Terms and Ideas in World Climate and Climate Change

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 / IdeaWhat it means
Koeppen groupsFive groups A, B, C, D, E; four by temperature, one by rainfall
Group ATropical humid, coldest month 18C or more
Group BDry climate, evaporation exceeds rainfall
Group ECold polar, every month below 10C
Greenhouse effectGases trap outgoing long wave radiation and warm the air
Largest GHGCarbon dioxide, mainly from burning fossil fuels
Warmest year1998 was the warmest recorded year
Kyoto Protocol1997, in force 2005, ratified by 141 nations
Remember: Koeppen: A hot, B dry, C warm, D cold, E polar; small letters show the dry season.
Watch Out: Koeppen's scheme is empirical, not genetic; the B group is dry because of evaporation, not cold.

How Collegedunia's Handwritten Notes Help You Revise World Climate and Climate Change

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.

World Climate and Climate Change 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.

Which group suits a climate with every month above 18C?

(a) A (b) B (c) D (d) E

Answer: (a) A correct - tropical humid needs coldest month 18C or more

Koeppen's classification is best termed as?

(a) Applied (b) Genetic (c) Empirical (d) Systematic

Answer: (c) Empirical correct - it uses observed temperature and rainfall data

Which year recorded the warmest temperature worldwide?

(a) 1990 (b) 1998 (c) 1885 (d) 1950

Answer: (b) 1998 correct - the warmest year of the century and likely the millennium

Which is the largest greenhouse gas in the air?

(a) Methane (b) Ozone (c) Carbon dioxide (d) CFC

Answer: (c) Carbon dioxide correct - mostly from fossil fuel combustion

Most of the Indian peninsula falls under which type?

(a) Af (b) BSh (c) Cfb (d) Am

Answer: (d) Am correct - it is tropical monsoon with a short dry season

How to Use These Handwritten Notes for Class 11 Geography Revision

Use these class 11 geography 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 Geography Handwritten Notes for All Chapters

The table below links the class 11 geography handwritten notes for every chapter. Use it to jump to any other chapter's notes.

World Climate and Climate Change Class 11 Geography Handwritten Notes FAQs

Ques. Where can I download World Climate and Climate Change Class 11 Geography Handwritten Notes PDF?

Ans. You can download the World Climate and Climate Change Class 11 Geography 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 Geography. Difference between weather and the Koeppen climate groups students often confuse.

Ques. How many pages is the Class 11 Geography World Climate and Climate Change Handwritten Notes PDF?

Ans. The notes run about 20 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 Geography chapter World Climate and Climate Change?

Ans. Koeppen grouped world climate into five broad groups using long-term temperature and rainfall data. The groups are A tropical, B dry, C warm temperate, D cold snow forest and E cold polar.

Ques. Are these World Climate and Climate Change 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.