Environmental Sciences | 7. ENVIRONMENTAL POLLUTION, GLOBAL ENVIRONMENTAL ISSUES AND CONTROL MEASURES by Abraham | Learn Smarter
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7. ENVIRONMENTAL POLLUTION, GLOBAL ENVIRONMENTAL ISSUES AND CONTROL MEASURES

Environmental pollution poses significant health and ecological risks, primarily due to various human activities. Pollution can be categorized into natural and manmade, affecting air, water, and soil. Different types of pollutants, including primary and secondary air pollutants, significantly impact health and the environment, necessitating urgent control measures and preventive strategies.

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Sections

  • 7

    Environmental Pollution, Global Environmental Issues And Control Measures

    This section discusses the various types of environmental pollution, their effects, and control measures focused on air, water, and soil pollution.

  • 7.1

    Environmental Pollution

    Environmental pollution is the adverse change in the characteristics of air, water, and land caused by natural or manmade activities that negatively affect living organisms.

  • 7.1.1

    Air Pollution

    Air pollution refers to the imbalance in air quality due to the presence of harmful substances, affecting all living organisms.

  • 7.1.1.1

    Types Of Air Pollutants

    Air pollutants can be classified into primary and secondary pollutants based on their origin and form.

  • 7.1.1.1.a

    According To Origin

    This section covers the definitions, types, and impacts of pollution, focusing particularly on air pollution categorized by its origin and state.

  • 7.1.1.1.b

    According To State Of Matter

    This section discusses air pollution, its types, effects, and control measures, focusing on pollutants based on their origin and state of matter.

  • 7.1.1.2

    Primary Pollutants

    Primary pollutants, such as carbon monoxide, oxides of sulfur and nitrogen, and chlorofluorocarbons, are harmful substances directly emitted into the atmosphere, adversely affecting air quality and living organisms.

  • 7.1.1.3

    Secondary Pollutants

    Secondary pollutants are derived from chemical reactions involving primary pollutants and are key contributors to air quality deterioration.

  • 7.1.1.4

    Air Pollution Effects, Prevention And Control Measures

    This section discusses the effects of air pollution on health and the environment, along with various prevention and control measures.

  • 7.1.2

    Water Pollution

    Water pollution refers to the contamination of water bodies due to various sources and substances, leading to adverse effects on ecosystems and human health.

  • 7.1.2.1

    Parameters Of Water Pollution

    The parameters of water pollution focus on the various chemical tests used to assess water quality and the sources and types of pollutants that render water unsafe for consumption.

  • 7.1.2.2

    Common Types Of Water Pollutants

    This section outlines the prevalent types of water pollutants based on their sources and nature.

  • 7.1.2.3

    Control Measures Of Water Pollution

    This section outlines various control measures to mitigate water pollution, emphasizing prevention and treatment strategies.

  • 7.1.3

    Soil Pollution

    Soil pollution is the contamination of soil with harmful substances that negatively affect plant life and animal health.

  • 7.1.3.1

    Types Of Soil Pollution

    Soil pollution is characterized by the accumulation of toxic substances and pollutants in the soil, adversely affecting ecosystems and human health.

  • 7.1.3.2

    Causes Of Soil Pollution

    Soil pollution results from the accumulation of toxic substances and chemicals, adversely affecting plant growth and animal health.

References

ch3 part a.pdf

Class Notes

Memorization

What we have learnt

  • Environmental pollution is ...
  • Air pollution is categorize...
  • Water pollution can arise f...

Final Test

Revision Tests