Chapter 2 of 10
Revision Notes
Addressing Population — Revision Notes
ICSE · Class 10 · Environmental Science
Addressing Population revision notes for ICSE Class 10 Environmental Science: 4 topics in quick points. Includes Population and Environmental Degradation.
48 questions42 flashcards5 concepts
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Key Topics to Revise
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1. Population and Environmental Degradation
- Population is a group of organisms of the same species living in a geographically localized area in a specific time span and capable of interbreeding among themselves to produce a fertile offspring.
- In simple terms, population means the total number of people living in a country or area.
- When population increases beyond certain limits, it puts pressure on food, water, land, forests and energy.
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2. UN Population Projections and Global Trends
- The current world population is 7.3 billion.
- World population is expected to reach 8.5 billion by 2030, 9.7 billion in 2050 and 11.2 billion in 2100.
- The number of people aged 65 and older is projected to more than double by 2050 and more than triple by 2100.
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3. Population and Climate Link
- Greenhouse gases cause global warming, and global warming disturbs climate.
- Climate change can be natural or man-made.
- Natural causes of climate change include volcanoes and ocean currents.
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4. Alternative Futures and Ecological Sustainability
- Three possible futures for the human race are Doom, Growth and Sustainable development.
- Doom means catastrophe leading to the death of hundreds of millions of people.
- Growth means economic growth may continue into the future.
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Full NotesKey Concepts
Population is the number of peopleWhen population increases beyond certain limitsWorld population is expected to reachMore people need more energyThree possible futures are described
Frequently Asked Questions
What are the important topics in Addressing Population for ICSE Class 10 Environmental Science?
Key topics in Addressing Population include Population and Environmental Degradation, UN Population Projections and Global Trends, Population and Climate Link, Alternative Futures and Ecological Sustainability. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How should I revise Addressing Population for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 48 practice questions on Addressing Population. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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