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Chapter Summary

International Relations and the Environment

ICSE · Class 12 · Environmental Science

Summary of International Relations and the Environment for ICSE Class 12 Environmental Science. Key concepts, important points, and chapter overview.

69 questions60 flashcards5 concepts

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Overview

International relations strongly shape environmental protection because air, water, forests, oceans, trade, waste and wildlife move across national borders. Major environmental problems such as deforestation, ozone depletion, toxic waste trade, global warming, and the loss of biodiversity cannot be

Key Concepts

Developing countries contain 80% of Earth's

Developing countries contain 80% of Earth's terrestrial biodiversity. Rainforests cover only 6% of Earth's land surface but contain over 50% of global

Deforestation means large

Deforestation means large-scale clearing of forests for agriculture, cattle ranching, roads, mining, dams, and plantations. Estimates of annual defore

Brazil reduced Amazon deforestation by 67%

Brazil reduced Amazon deforestation by 67%, from 19,508 km² per year to 6,451 km². This helped reduce emissions by nearly 1 billion tons of CO2. REDD+

Legal ivory trade has been proposed

Legal ivory trade has been proposed only for Loxodonta africana, the African savannah elephant. Loxodonta cyclotis, the African forest elephant, and t

The ozone layer is concentrated at

The ozone layer is concentrated at 20-26 km over the equator and 11-16 km over the poles. It protects living beings by absorbing harmful ultraviolet r

Learning Objectives

  • Understand why environmental problems need international cooperation.
  • Explain the importance of tropical rainforests and the causes of deforestation.
  • Describe the role of Brazil and REDD+ in reducing Amazon deforestation.
  • Recognize the impact of ivory trade on elephant species.
  • Explain the ozone-oxygen cycle, ozone depletion, and the role of ozone depleting substances.

Frequently Asked Questions

What are the important topics in International Relations and the Environment for ICSE Class 12 Environmental Science?
International Relations and the Environment covers several key topics that are frequently asked in ICSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in International Relations and the Environment — ICSE Class 12 Environmental Science?
Understand the core concepts first, then work through the 69 practice questions available for this chapter. Revise formulas and 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.

More resources for International Relations and the Environment

All 8 chapters — ICSE Class 12 Environmental Science Chapter Summary

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