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5. Pollution

Pollution is defined as the undesirable alteration of the natural environment due to harmful pollutants, affecting health and ecosystems. Various types of pollution, including air, water, soil, noise, thermal, and radioactive, are caused by both natural and human-made sources, each having significant effects on human health, wildlife, and the economy. Prevention and control measures involve adopting cleaner technologies, promoting recycling, and enforcing environmental laws.

Sections

  • 5

    Pollution

    Pollution involves harming the natural environment through harmful substances, which negatively affects health, ecosystems, and can lead to long-term issues.

    Learning Practice

  • 5.1

    Introduction

    Pollution refers to undesirable changes in the environment caused by harmful pollutants, impacting health and ecosystems.

    Learning Practice

  • 5.2

    Types Of Pollution

    This section outlines the major types of pollution, their causes, and effects on health and the environment.

    Learning Practice

  • 5.2.1

    Air Pollution

    Air pollution is the contamination of the atmosphere due to harmful substances, leading to severe health and environmental issues.

    Learning Practice

  • 5.2.2

    Water Pollution

    Water pollution refers to the contamination of water bodies due to harmful substances, which poses risks to health and ecosystems.

    Learning Practice

  • 5.2.3

    Soil Pollution

    Soil pollution is the degradation of soil quality due to harmful chemicals, negatively impacting agriculture and the environment.

    Learning Practice

  • 5.2.4

    Noise Pollution

    Noise pollution is caused by unwanted or excessive sound, leading to various health and ecological issues.

    Learning Practice

  • 5.2.5

    Thermal Pollution

    Thermal pollution is caused by the discharge of hot water from industrial processes into natural water bodies, leading to detrimental effects on aquatic ecosystems.

    Learning Practice

  • 5.2.6

    Radioactive Pollution

    Radioactive pollution arises from nuclear activities and poses significant health and environmental risks.

    Learning Practice

  • 5.3

    Sources Of Pollution

    This section covers the various natural and human-made sources of pollution.

    Learning Practice

  • 5.4

    Effects Of Pollution

    Pollution has detrimental effects on human health, the environment, wildlife, and the economy.

    Learning Practice

  • 5.5

    Prevention And Control Of Pollution

    This section outlines measures to prevent and control various forms of pollution, emphasizing sustainable practices.

    Learning Practice

References

g9-5.pdf

Class Notes

Memorization

What we have learnt

  • Pollution negatively impact...
  • Different types of pollutio...
  • Preventive measures can be ...

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