speech on environment pollutio.n
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Environmental pollution (pollution) refers to the degradation of the ecological balance by polluting human resources, such as air, water, soil resources and living organisms. Ecological balance will be affected by the addition of substances that are harmful to the environment and the organisms that live there. Environmental pollution causes a variety of harms to the flora and fauna in the environment.The United Nations has declared the situation to be one of the top ten threats to the world at present. Environmental pollution can be caused by certain chemicals, or by forces such as heat, light, and sound. The environment is polluted for various reasons.
Air pollution
Air pollution is caused by the release of various chemicals and dust into the atmosphere. Carbon monoxide, sulfur dioxide, chlorofluorocarbons, and nitrogen oxides emitted by modern transport vehicles and factories are examples of air pollution.
Water pollution
Hydrological disorders
Water quality and aquatic life are affected by the discharge of effluents from factories, agricultural lands, agricultural farms, urban wastes, etc. into rivers, drains and other aquifers. Thus the earth's water resources are affected.
Soil pollution
Soil ecological degradation
Although industrial effluents are a major contributor to this, modern farming methods may also contribute significantly to soil pollution. The soil is greatly affected by the excessive use of chemical fertilizers, pesticides, herbicides etc.
Radiation exposure
Twentieth-century events such as nuclear power generation, nuclear weapons research, and nuclear weapons production are polluting the environment with radioactive waste.
Noise pollution
Noise pollution is caused by car noise on the road, excessive noise by car speakers, aircraft noise, etc.
Light pollution
These types of mass include light intrusion, excessive illumination, and astronomical interference effect.
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