Air Pollution – Its Effects, Causes, And Prevention
Transcript
00:00Hi kids, today we will learn what are the effects of air pollution, causes of air pollution
00:11and how we can prevent air pollution.
00:14So let's start.
00:18We know the presence of unwanted and harmful substances in the air is termed as air pollution.
00:28Any additional gases, particles or odors that are introduced into the air and can cause
00:35harm to living things can be termed as pollution.
00:42Now let's see what are the major effects of air pollution.
00:47First of all let's see what are the health effects on health.
00:54Some of the pollutants in the air can be very harmful for health of living beings.
01:01Chemicals like benzyne or vinyl chloride in the air can cause diseases like cancer, birth
01:11defects, long term injuries to lungs and even death.
01:17Breathing polluted air may cause infections in eyes and nose.
01:24Air pollution due to traffic is the main reason behind the increase in number of asthma patients.
01:34Chemical pollutants in the air when mixed with rain, it forms acid rain which is very
01:41harmful for all living beings.
01:45Acid rain destroys trees, crops, farms, animals and also pollute the water bodies that again
01:55harms the living things that depend on the water of that water body.
02:01Another important effect of pollution is smog.
02:05It is formed when fog is mixed with smoke and a poisonous form of fog is formed which
02:13we call as smog.
02:17It can be very harmful to breathe in too much of smog as it contains a pollutant called
02:24ozone and ozone is a gas that is very harmful for our lungs.
02:35Smog also reduces the visibility.
02:39We learnt a few major effects of air pollution.
02:43Now let's learn.
02:46What are the major causes of air pollution?
02:51Emissions from industries and manufacturing activities.
02:56Almost all types of industries emit a lot of smoke that is released into the atmosphere
03:03and pollutes the air.
03:06Air smoke has high levels of harmful gases and particles like carbon dioxide, carbon
03:14monoxide, hydrocarbons and organic compounds that are very harmful.
03:24Burning of fossil fuels.
03:28Fuels like gasoline, diesel, kerosene, coal are examples of fossil fuels.
03:36All vehicles use some fossil fuel mainly gasoline for running and emit a lot of smoke
03:44that contains a lot of pollutants like carbon monoxide, oxides of nitrogen, hydrocarbons
03:53and particulates.
03:55On their own they cause great harm to people who breathe them and additionally they react
04:02with the environmental gases to create further toxic gases.
04:10This emission of smoke from vehicles is a prime reason of air pollution as our world
04:17consists of vehicles in millions.
04:21As today every person's life relies on some or the other kind of vehicle.
04:28Vehicles are required for transporting goods and to travel from one place to another and
04:35we all need to travel.
04:39Household and farming chemicals, crop dusting, fumigating homes, household cleaning products,
04:50painting supplies, insecticides, weedicides, fertilizers all emit harmful substances into
04:59the air and cause some kind of pollution.
05:04So kids we learn what are the major causes of air pollution.
05:11Now let's learn how we can control air pollution.
05:16There should be sufficient distance between industrial and residential areas.
05:24The chimneys in the industries should be made sufficiently tall so that smoke is released
05:31as higher as possible.
05:35The mining areas should be planted with trees.
05:40All fuel should be used least possible.
05:47Vehicles must be designed with emission control system.
05:55Vehicles must get regular maintenance checks.
06:00We must try to join carpools or vanpools so as to save fossil fuels.
06:08Always try to prefer public transports or walk small distances or use a bicycle.
06:21Always try to buy energy efficient appliances, recycle newspaper, aluminum and plastic waste.
06:30We should plant more and more trees.
06:34So kids these are small steps that we can take to prevent air pollution.
06:40So kids today we learned a lot about pollution.
06:45We learned what are the major causes of pollution, how we can reduce and prevent pollution with
06:52simple steps.
06:53Now you may go ahead and take a quiz to learn more.
06:57Bye bye.