International Relations and the Environment — Chapter Summary
ICSE · Class 12 · Environmental Science
Summary of International Relations and the Environment for ICSE Class 12 Environmental Science. Part of the ICSE Class 12 Environmental Science syllabus.
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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.
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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