Environmental Pollution and Control Strategies — Chapter Summary
ICSE · Class 11 · Environmental Science
Summary of Environmental Pollution and Control Strategies for ICSE Class 11 Environmental Science. Environmental pollution is the unwanted change in air.
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Overview
Environmental pollution is the unwanted change in air, water, or land that harms living organisms, ecosystems, and human life. It becomes serious when industrial growth, urbanisation, and the heavy use of fossil fuels increase the amount of harmful substances released into the environment. The chapt
Key Concepts
Pollution is the undesirable change
Pollution is the undesirable change in the physical, chemical, or biological characteristics of air, water, or land that adversely affects living orga
Air pollution is the contamination
Air pollution is the contamination of the atmosphere by harmful substances present in concentrations that injure living organisms, property, and the e
Thermal power plants burn coal
Thermal power plants burn coal and release sulphur dioxide, nitrogen oxides, carbon dioxide, and particulate matter. Vehicles emit carbon monoxide, hy
Industrialisation
Industrialisation, rapid urban growth, and intensive agriculture disturb natural cycles. Deforestation reduces transpiration and rainfall. Urbanisatio
Excess nitrogen and phosphorus in water
Excess nitrogen and phosphorus in water bodies cause algal blooms. These blooms use up dissolved oxygen, leading to oxygen depletion and harm to aquat
Learning Objectives
- Understand the meaning and major types of pollution.
- Explain the main causes of air pollution and their effects.
- Describe how human activities disturb the water, carbon, nitrogen, and phosphorus cycles.
- Relate local pollution problems to global environmental issues.
- Explain the greenhouse effect and global warming.
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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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