Question

write information about the pollution - it's meaning , types , sources , preventive measures.​

Answer 1

Answer :  

Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.

types of pollution  

air pollution

water pollution

land pollution

noise pollution

SOURCES OF POLLUTION

The main sources of pollution are household activities, factories, agriculture and transport. Once they have been released into the environment, the concentration of some pollutants is reduced by dispersion, dilution, deposition or degradation.

Modifying a production process to produce less waste. Using non-toxic or less toxic chemicals as cleaners, degreasers and other maintenance chemicals. Implementing water and energy conservation practices. Reusing materials such as drums and pallets rather than disposing of them as waste.

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Answer 2

Answer:

* Meaning

Pollution is the introduction of contaminants into the natural environment that cause adverse change.Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. In 2015, pollution killed 9 million people worldwide.

Types of pollution

Major forms of pollution include air pollution, light pollution, litter, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, and water pollution.

Sources of pollution

Another way of classifying pollution is by the sector of human activity that produces it. Before we look at the various sectors, there is an important distinction to be made about pollution sources. Sources of pollution can be categorised as point or non-point sources. Point sources are identifiable points or places that you can easily locate. An example is a diesel truck that produces visible black exhaust fumes from its tailpipe. Liquid waste released from a pipe into a river is another example . A non-point source (also known as ‘diffuse pollution’) is one where it is difficult to identify the exact origin of the pollution. A good example is floodwater that washes all types of waste from the land (possibly including faecal matter) into a river. In this situation you cannot identify the individual or household or establishment that has caused the water pollution.

• There are many things we cannot control in life. We are becoming busier to make a living and many times we forget how to live! However, we only have one body and once health is lost, nothing else matters anymore. This is why it is essential to do whatever we can to control what can be controlled and, by this, prevent or minimize the health risk due to pollution exposure through daily activities. Here are some hints on how to proceed:

• Ventilate well the space you live in - ensure good air ventilation (with outside air) of your home and your office space, especially in the areas (rooms) where you spend more time. For example – keep the windows open. The longer you keep them opened, the better. During cold seasons, if safe to do so, keep the windows opened while you are away. This will ensure dilution and diffusion of any potential intruding gaseous compounds (volatile chemicals).
• Ventilate well the space you live in - ensure good air ventilation (with outside air) of your home and your office space, especially in the areas (rooms) where you spend more time. For example – keep the windows open. The longer you keep them opened, the better. During cold seasons, if safe to do so, keep the windows opened while you are away. This will ensure dilution and diffusion of any potential intruding gaseous compounds (volatile chemicals).Ventilate your garage. If the garage is attached to the house, create air ventilation in the garage allowing air circulation from outside. If the garage communicates with the house by a door, do not keep the door open at any time. This will prevent or minimize the intrusion into the living indoor space of volatile organic compounds from the gasoline tank.

• Store your household chemicals (including cleaning products, paints, fuel canisters, etc.) as far away as possible from the living space and, if possible, in metal cabinets.
• Regularly vacuum, clean, and wipe the dust – dust contains particles of various sizes (from those visible to the eye to those of microscopic dimensions. Such particles may contain various pollutants such as heavy metals or organic chemicals. Additionally, the finer particles (less than 10 micrometers) are quite risky for health due to the easiness of penetration in the human body. Thus, it is essential to keep the living space clean at all times.
• Avoid living (or spending most time) directly above an enclosed parking structure.

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