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Definition of PollutionTypes of PollutionAir PollutionWater PollutionNoise PollutionLand PollutionReferences

Definition of Pollution

• When harmful substances contaminate the environment it is called pollution

• Pollution can take the form of chemical, substances or energy, such as noise, heat, or light

• Pollution refers to the very bad condition of environment in terms of quantity and quality

Types of Pollution There are four types of Pollution• Air Pollution• Water Pollution• Noise Pollution• Land Pollution

Air Pollution • Air Pollution is the introduction of chemicals,

particulate matter or biological materials that cause harm or discomfort to Humans, other living organism or cause damage to the natural environment

Causes Of Air pollutionHuman

Activities

• Industries• Vehicle Exhaust• Energy Sources

• Wild Fires• Volcano• Tornadoes

Effects of Air Pollution

Greenhouse effectOzone depletionAcidification Smog formationEutrophication Human healthEcosystem health

Prevention of Air PollutionAlways try to minimize smoke emissionUse alternative energy sources: Solar

Energy, Wind energytry to travel by public transports

Water Pollution• The Contamination of water with

undesirable substances which make it unfit for usage is termed water Pollution

• Water pollution occurs when pollutants are discharge directly or indirectly into water bodies without adequate treatments to remove harmful compounds

Sources of Water Pollution Point Sources

• Single large source

• Can localize it to one spot

• - Industrial Plants• - Sewage pipes

• LUST - Leaky Underground Storage Tanks (Picture)

Sources of Water Pollution Non Point Sources

Diffuse source or many smaller point sources

AutomobilesFertilizer on fields

Causes of Water Pollution• Water Pollution is Caused by organic and inorganic

industrial wastes and affluent discharged into rivers.

Effects of Water Pollution

Spread of disease: cholera or typhoid infections, along with diarrhea.

Affects body organsSuffocation of aquatic life through sediment

and loss of water depthOvergrowth of algae and surface life, leading

to loss of light and nutrients to deep aquatic life

How to Avoid Water Pollution?

Rivers should not be used for washing clothes or bathing animals in.

Harvesting of Rainwater to meet water requirements.

Dams &embankments must be created.The rivers must not be contaminated.In sacred river like Ganga the dead bodies

shouldn’t thrown.

Noise Pollution

Noise pollution is excessive , displeasing human, animal or machine created environment al noise that disrupt s the activity or balance of human or animal life

Causes of Noise PollutionTraffic noiseAircraft NoiseNoise from

construction and civil engineering works

Noise from the industries

Noise of the other sources

Effect of Noise Pollution

Hearing LossHigh Blood PressureStressSleep DisturbColor Blindness

How to Avoid Noise Pollution?

The Government should ensure the new machines that should be noise proof

Airports must be away from residential area

The sound horn symbol is to be in school

Land Pollution

Land pollution is the degradation of Earth's land surfaces often caused by human activities and their misuse of land resources.

Causes of Land Pollution• Mining and

quarrying• Sewage waste• Household

Waste• Industrial

Waste• Use of

Pesticides and herbicides in farming

Pictures of Land Pollution

Effects of Land Pollution

Exterminates wild life Acid rain kills trees and other plants.Vegetation that provides food and shelter is

destroyed.Can seriously disrupt the balance of nature.pesticides can damage crops; kill vegetation;

and poison birds, animals, and fish

Prevention of Land Pollution

Encourage organic farmingProper garbage disposalRecycle garbageReduce use of herbicides and pesticidesAvoid over packaged itemsEfficient utilization of resources and reducing

wastage

Refferenceswww.google.comwww.wikipedia.org

Presented By:-Vaishali Patel

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