Dr. B. Victor presented on air pollution. He discussed different types of pollution sources and air pollutants. Some key effects of air pollution include damage to health, vegetation, and structures. Increased carbon dioxide contributes to global warming and climate change through the greenhouse effect. Air pollutants like sulfur dioxide and nitrogen oxides can cause acid rain when dissolved in water, harming aquatic life and soil.
This document discusses various topics related to air pollution including:
1. Sources of air pollution can be natural like volcanoes or human activities like burning fossil fuels.
2. Major air pollutants include sulfur dioxide, nitrogen oxides, carbon monoxide, and particulate matter.
3. Air pollutants can be primary emissions or form secondary pollutants through chemical reactions.
4. Effects of air pollution include harm to human health, crops, forests, and climate change. Control measures aim to reduce emissions and ambient pollution levels.
Air, water, and land pollution were discussed. Air pollution comes from natural sources like volcanoes and human sources such as factories and cars. Major air pollutants include carbon monoxide, sulfur dioxide, and particulate matter which can cause health issues. Water pollution comes from point sources like factories and non-point sources like agricultural runoff. Land pollution is caused by construction, agriculture, and domestic and industrial waste. Pollution has consequences like acid rain, smog, and damage to plants and wildlife. Reducing pollution requires efforts from individuals, industries, and governments.
This document discusses different types of pollution including air, water, and land pollution. It defines air pollution as atmospheric conditions with undesirable substances that affect humans and the environment. Sources of air pollution include natural sources like dust storms and volcanoes, as well as man-made sources from industry, automobiles, agriculture, and domestic activities. Major air pollutants discussed are ozone, carbon monoxide, sulfur dioxide, particulate matter, and their health effects. The document also examines causes, sources, and effects of water pollution from point sources like waste water and non-point sources like agricultural runoff. Causes and consequences of land pollution from construction, agriculture, domestic waste, and industry are outlined.
Air pollution occurs when harmful gases, dust particles, fumes or odors are introduced into Earth's atmosphere. It can be caused by both natural occurrences like volcanic eruptions and forest fires, as well as human activities such as burning fossil fuels for transportation, manufacturing emissions from factories and power plants, and use of household chemicals. Effects of air pollution include damage to vegetation from acid rain, algae blooms in water bodies caused by excess nutrients, increased ozone near ground level which can harm humans and animals, and various respiratory and heart problems for people exposed to particulate matter.
The document discusses various types of air pollution including sulfur dioxide (SO2). It notes that SO2 is produced by volcanoes and industrial processes involving coal and petroleum. The burning of these fossil fuels that contain sulfur compounds generates SO2. It is a colorless gas that has significant health and environmental effects such as acid rain formation and impacting human health by burning lung tissues upon inhalation. Chronic exposure to high SO2 levels can cause respiratory illnesses like asthma and bronchitis as well as heart disease, especially in vulnerable groups like children.
Pollution occurs when harmful substances contaminate the environment. There are many types of pollution including air, water, soil, noise, and thermal pollution. Air pollution is caused by both natural sources like forest fires as well as human activities such as burning fossil fuels. Water pollution results from sewage, industrial effluents, and agricultural runoff contaminating surface and groundwater. Pollution has negative effects on human health, plants, animals, and the environment. Proper control methods and policies are needed to monitor and reduce pollution.
Dr. B. Victor presented on air pollution. He discussed different types of pollution sources and air pollutants. Some key effects of air pollution include damage to health, vegetation, and structures. Increased carbon dioxide contributes to global warming and climate change through the greenhouse effect. Air pollutants like sulfur dioxide and nitrogen oxides can cause acid rain when dissolved in water, harming aquatic life and soil.
This document discusses various topics related to air pollution including:
1. Sources of air pollution can be natural like volcanoes or human activities like burning fossil fuels.
2. Major air pollutants include sulfur dioxide, nitrogen oxides, carbon monoxide, and particulate matter.
3. Air pollutants can be primary emissions or form secondary pollutants through chemical reactions.
4. Effects of air pollution include harm to human health, crops, forests, and climate change. Control measures aim to reduce emissions and ambient pollution levels.
Air, water, and land pollution were discussed. Air pollution comes from natural sources like volcanoes and human sources such as factories and cars. Major air pollutants include carbon monoxide, sulfur dioxide, and particulate matter which can cause health issues. Water pollution comes from point sources like factories and non-point sources like agricultural runoff. Land pollution is caused by construction, agriculture, and domestic and industrial waste. Pollution has consequences like acid rain, smog, and damage to plants and wildlife. Reducing pollution requires efforts from individuals, industries, and governments.
This document discusses different types of pollution including air, water, and land pollution. It defines air pollution as atmospheric conditions with undesirable substances that affect humans and the environment. Sources of air pollution include natural sources like dust storms and volcanoes, as well as man-made sources from industry, automobiles, agriculture, and domestic activities. Major air pollutants discussed are ozone, carbon monoxide, sulfur dioxide, particulate matter, and their health effects. The document also examines causes, sources, and effects of water pollution from point sources like waste water and non-point sources like agricultural runoff. Causes and consequences of land pollution from construction, agriculture, domestic waste, and industry are outlined.
Air pollution occurs when harmful gases, dust particles, fumes or odors are introduced into Earth's atmosphere. It can be caused by both natural occurrences like volcanic eruptions and forest fires, as well as human activities such as burning fossil fuels for transportation, manufacturing emissions from factories and power plants, and use of household chemicals. Effects of air pollution include damage to vegetation from acid rain, algae blooms in water bodies caused by excess nutrients, increased ozone near ground level which can harm humans and animals, and various respiratory and heart problems for people exposed to particulate matter.
The document discusses various types of air pollution including sulfur dioxide (SO2). It notes that SO2 is produced by volcanoes and industrial processes involving coal and petroleum. The burning of these fossil fuels that contain sulfur compounds generates SO2. It is a colorless gas that has significant health and environmental effects such as acid rain formation and impacting human health by burning lung tissues upon inhalation. Chronic exposure to high SO2 levels can cause respiratory illnesses like asthma and bronchitis as well as heart disease, especially in vulnerable groups like children.
Pollution occurs when harmful substances contaminate the environment. There are many types of pollution including air, water, soil, noise, and thermal pollution. Air pollution is caused by both natural sources like forest fires as well as human activities such as burning fossil fuels. Water pollution results from sewage, industrial effluents, and agricultural runoff contaminating surface and groundwater. Pollution has negative effects on human health, plants, animals, and the environment. Proper control methods and policies are needed to monitor and reduce pollution.
This document defines air pollution and discusses its causes, effects, and methods of control. It defines air pollution as the presence of foreign substances in excessive concentrations that harm health, vegetation, property or enjoyment. It classifies air pollutants as primary emitted directly or secondary formed by interactions. Sources include natural sources like volcanoes and human sources like vehicles, industry and agriculture. Effects are discussed for human health, animals, plants, materials and climate. Control methods aim to reduce emissions and remove particles, including the use of electrostatic precipitators, cyclones and other filtration devices.
This document summarizes air pollution and its consequences. It discusses the composition of air, sources of air pollution like automobiles and industries, major pollutants like carbon monoxide and particulate matter, effects on health like respiratory illnesses, and methods to prevent and control pollution like legislation and international action. The presentation covers the introduction, causes, monitoring, and prevention of air pollution in concise detail.
This document defines air pollution and discusses its causes, effects, and methods of control. It describes two main types of air pollution - primary emitted directly and secondary formed by interactions. Major sources are listed as natural phenomena as well as human activities like industry and vehicles. The impacts of air pollution are outlined as harm to human health, animals, plants, materials, and the climate. Control techniques aim to filter particles and absorb gases using devices like electrostatic precipitators, cyclone collectors, and absorption into materials like activated carbon.
Air pollution is the introduction of particulates, biological molecules, or other harmful materials into Earth's atmosphere, causing disease, death to humans, loss of breath, damage to other living organisms such as food crops, or the natural or built environment. Air pollution may come from anthropogenic or natural sources.
The document defines air pollution and discusses its causes and effects. It notes that air pollution results from both natural sources like volcanic eruptions and man-made sources like vehicle emissions and industrialization. Air pollutants are classified as primary emissions released directly into the air or secondary pollutants formed from atmospheric interactions. The effects of air pollution include negative impacts on human health, animals, plants, materials, and the climate. Methods to control air pollution include reducing emissions, using cleaner fuels, afforestation, and industrial pollution control devices like cyclones and electrostatic precipitators.
Environmental and nutritional diseasesEmani Aparna
This document discusses various types of air pollutants including their sources and effects. It describes primary pollutants such as particulate matter, sulfur dioxide, nitrogen oxides, carbon monoxide, and lead which are emitted directly from identifiable sources. Secondary pollutants formed from chemical reactions between primary pollutants are also discussed. Various health effects from exposure to these pollutants are outlined such as respiratory problems, cardiovascular disease, and cancer. The document concludes by stating that air pollution cannot be fully prevented but can be controlled through preventative measures like modifying fuel usage and industrial processes as well as installing pollution control equipment.
This document discusses air pollution, including its definition, sources, classification of pollutants, effects, and control methods. It defines air pollution as the presence of contaminants that can harm humans, animals, plants or property. Primary sources include stationary sources like power plants and mobile sources like vehicles. Major pollutants include particulate matter, sulfur dioxide, nitrogen oxides, and carbon monoxide. Air pollution can negatively impact human health, plants, and materials. Control methods include preventing pollution at the source and using equipment like scrubbers, electrostatic precipitators and fabric filters to capture pollutants.
The document discusses air pollution, including its definition, sources, classification of pollutants, effects, and control methods. It defines air pollution as the presence of foreign substances that adversely affect human health and the environment. Major sources include stationary sources like power plants and mobile sources like vehicles. Pollutants are classified as primary emitted directly or secondary formed through chemical reactions. Effects are discussed for human health, plants, and materials. Control methods include source prevention, air pollution control equipment like precipitators and scrubbers that collect pollutants, and laws regulating industrial emissions.
This is the fourth slideshow in a series for Unit 4 VCE Environmental Science. It discusses the factors contributing to air pollution, the sources and sinks and the human and environmental health effects.
Environment
Any things surrounding us & can affect health
Environmental sanitation
Properties & requisites of clean environment.
Environmental health
Protection of human health from hazards of unsanitary environment.
The document discusses various sources and effects of air pollution. It describes how burning fossil fuels from industries, automobiles, and power plants releases pollutants like carbon monoxide, sulfur dioxide, and nitrogen oxides into the air. This leads to issues like acid rain, photochemical smog, and global warming. Air pollution damages the environment, climate, plants, animals, and human health, causing problems like acidification of soils and water sources, reduced visibility, and respiratory illnesses. The text provides details on the formation and harmful impacts of acid rain and photochemical smog. Overall, the document analyzes the causes and wide-ranging consequences of air pollution from various human and industrial activities.
This a presentation about the Air pollution and its causes & effects for the educational uses
It describe the definitions, types, info diagrams, sources, effects, and their controls
I hope this science could be a benefit for anyone who search the information
Air pollution is defined as the introduction of contaminants into the air that are harmful to human health and welfare or cause damage to property or ecosystems. The document provides details on the composition of the atmosphere, sources of air pollution including both natural and human-made sources, classification of primary and secondary pollutants, major pollutants such as carbon monoxide and particulate matter, their sources and health effects. It also discusses effects of air pollution on humans, plants, materials, and control methods like laws and equipment to control emissions and remove pollutants from industrial flue gases.
Air pollution occurs when harmful gases, dust, or other particles are introduced into the atmosphere, making the air dirty and potentially damaging to humans, animals, and plants. It can be caused by both natural phenomena like volcanic eruptions as well as human activities such as burning fossil fuels for energy and transportation. Major air pollutants include carbon monoxide, nitrogen oxides, particulate matter, and ground-level ozone. Air pollution has wide-ranging negative health effects and can also damage the environment through acid rain and eutrophication. Both governmental regulations and individual actions are needed to monitor air quality and implement solutions to reduce pollution.
The document discusses various types of environmental pollution including air, water, soil, and noise pollution. It outlines the major pollutants that contribute to each type of pollution such as carbon monoxide, sulfur dioxide, and nitrogen oxides which are released into the air from industrial activities and motor vehicles. The effects of environmental pollution on human health are also examined, noting issues such as respiratory diseases, cardiovascular disease, and neurological problems. Lastly, the document briefly discusses methods to regulate and monitor pollution levels.
This document discusses types and causes of air pollution. It notes that there are indoor and outdoor types of air pollution. Outdoor pollution comes from sources like vehicle emissions, industry, and forest fires. Indoor pollution can come from chemicals in household cleaners, paints, and building materials. The document outlines several impacts of air pollution, such as respiratory problems in humans, ecosystem damage, and effects of acid rain. It stresses that air is necessary to sustain life on Earth.
Urban air pollution occurs when harmful gases, particles, and biological molecules are introduced into the atmosphere from human activities like fossil fuel combustion and industry. Major pollutants include particulate matter, nitrogen and sulfur oxides, carbon oxides, hydrocarbons, and ozone. In cities, transportation and industry are key sources of outdoor pollution, while indoor pollution stems from outdoor pollutants entering buildings and activities within. Air pollution causes respiratory and cardiovascular disease and can be especially harmful for asthmatics and during pregnancy. Reducing emissions from vehicles and factories as well as increasing green energy and enforcement of environmental regulations can help address the problem of urban air pollution.
Here is the updated list of Top Best Ayurvedic medicine for Gas and Indigestion and those are Gas-O-Go Syp for Dyspepsia | Lavizyme Syrup for Acidity | Yumzyme Hepatoprotective Capsules etc
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This document defines air pollution and discusses its causes, effects, and methods of control. It defines air pollution as the presence of foreign substances in excessive concentrations that harm health, vegetation, property or enjoyment. It classifies air pollutants as primary emitted directly or secondary formed by interactions. Sources include natural sources like volcanoes and human sources like vehicles, industry and agriculture. Effects are discussed for human health, animals, plants, materials and climate. Control methods aim to reduce emissions and remove particles, including the use of electrostatic precipitators, cyclones and other filtration devices.
This document summarizes air pollution and its consequences. It discusses the composition of air, sources of air pollution like automobiles and industries, major pollutants like carbon monoxide and particulate matter, effects on health like respiratory illnesses, and methods to prevent and control pollution like legislation and international action. The presentation covers the introduction, causes, monitoring, and prevention of air pollution in concise detail.
This document defines air pollution and discusses its causes, effects, and methods of control. It describes two main types of air pollution - primary emitted directly and secondary formed by interactions. Major sources are listed as natural phenomena as well as human activities like industry and vehicles. The impacts of air pollution are outlined as harm to human health, animals, plants, materials, and the climate. Control techniques aim to filter particles and absorb gases using devices like electrostatic precipitators, cyclone collectors, and absorption into materials like activated carbon.
Air pollution is the introduction of particulates, biological molecules, or other harmful materials into Earth's atmosphere, causing disease, death to humans, loss of breath, damage to other living organisms such as food crops, or the natural or built environment. Air pollution may come from anthropogenic or natural sources.
The document defines air pollution and discusses its causes and effects. It notes that air pollution results from both natural sources like volcanic eruptions and man-made sources like vehicle emissions and industrialization. Air pollutants are classified as primary emissions released directly into the air or secondary pollutants formed from atmospheric interactions. The effects of air pollution include negative impacts on human health, animals, plants, materials, and the climate. Methods to control air pollution include reducing emissions, using cleaner fuels, afforestation, and industrial pollution control devices like cyclones and electrostatic precipitators.
Environmental and nutritional diseasesEmani Aparna
This document discusses various types of air pollutants including their sources and effects. It describes primary pollutants such as particulate matter, sulfur dioxide, nitrogen oxides, carbon monoxide, and lead which are emitted directly from identifiable sources. Secondary pollutants formed from chemical reactions between primary pollutants are also discussed. Various health effects from exposure to these pollutants are outlined such as respiratory problems, cardiovascular disease, and cancer. The document concludes by stating that air pollution cannot be fully prevented but can be controlled through preventative measures like modifying fuel usage and industrial processes as well as installing pollution control equipment.
This document discusses air pollution, including its definition, sources, classification of pollutants, effects, and control methods. It defines air pollution as the presence of contaminants that can harm humans, animals, plants or property. Primary sources include stationary sources like power plants and mobile sources like vehicles. Major pollutants include particulate matter, sulfur dioxide, nitrogen oxides, and carbon monoxide. Air pollution can negatively impact human health, plants, and materials. Control methods include preventing pollution at the source and using equipment like scrubbers, electrostatic precipitators and fabric filters to capture pollutants.
The document discusses air pollution, including its definition, sources, classification of pollutants, effects, and control methods. It defines air pollution as the presence of foreign substances that adversely affect human health and the environment. Major sources include stationary sources like power plants and mobile sources like vehicles. Pollutants are classified as primary emitted directly or secondary formed through chemical reactions. Effects are discussed for human health, plants, and materials. Control methods include source prevention, air pollution control equipment like precipitators and scrubbers that collect pollutants, and laws regulating industrial emissions.
This is the fourth slideshow in a series for Unit 4 VCE Environmental Science. It discusses the factors contributing to air pollution, the sources and sinks and the human and environmental health effects.
Environment
Any things surrounding us & can affect health
Environmental sanitation
Properties & requisites of clean environment.
Environmental health
Protection of human health from hazards of unsanitary environment.
The document discusses various sources and effects of air pollution. It describes how burning fossil fuels from industries, automobiles, and power plants releases pollutants like carbon monoxide, sulfur dioxide, and nitrogen oxides into the air. This leads to issues like acid rain, photochemical smog, and global warming. Air pollution damages the environment, climate, plants, animals, and human health, causing problems like acidification of soils and water sources, reduced visibility, and respiratory illnesses. The text provides details on the formation and harmful impacts of acid rain and photochemical smog. Overall, the document analyzes the causes and wide-ranging consequences of air pollution from various human and industrial activities.
This a presentation about the Air pollution and its causes & effects for the educational uses
It describe the definitions, types, info diagrams, sources, effects, and their controls
I hope this science could be a benefit for anyone who search the information
Air pollution is defined as the introduction of contaminants into the air that are harmful to human health and welfare or cause damage to property or ecosystems. The document provides details on the composition of the atmosphere, sources of air pollution including both natural and human-made sources, classification of primary and secondary pollutants, major pollutants such as carbon monoxide and particulate matter, their sources and health effects. It also discusses effects of air pollution on humans, plants, materials, and control methods like laws and equipment to control emissions and remove pollutants from industrial flue gases.
Air pollution occurs when harmful gases, dust, or other particles are introduced into the atmosphere, making the air dirty and potentially damaging to humans, animals, and plants. It can be caused by both natural phenomena like volcanic eruptions as well as human activities such as burning fossil fuels for energy and transportation. Major air pollutants include carbon monoxide, nitrogen oxides, particulate matter, and ground-level ozone. Air pollution has wide-ranging negative health effects and can also damage the environment through acid rain and eutrophication. Both governmental regulations and individual actions are needed to monitor air quality and implement solutions to reduce pollution.
The document discusses various types of environmental pollution including air, water, soil, and noise pollution. It outlines the major pollutants that contribute to each type of pollution such as carbon monoxide, sulfur dioxide, and nitrogen oxides which are released into the air from industrial activities and motor vehicles. The effects of environmental pollution on human health are also examined, noting issues such as respiratory diseases, cardiovascular disease, and neurological problems. Lastly, the document briefly discusses methods to regulate and monitor pollution levels.
This document discusses types and causes of air pollution. It notes that there are indoor and outdoor types of air pollution. Outdoor pollution comes from sources like vehicle emissions, industry, and forest fires. Indoor pollution can come from chemicals in household cleaners, paints, and building materials. The document outlines several impacts of air pollution, such as respiratory problems in humans, ecosystem damage, and effects of acid rain. It stresses that air is necessary to sustain life on Earth.
Urban air pollution occurs when harmful gases, particles, and biological molecules are introduced into the atmosphere from human activities like fossil fuel combustion and industry. Major pollutants include particulate matter, nitrogen and sulfur oxides, carbon oxides, hydrocarbons, and ozone. In cities, transportation and industry are key sources of outdoor pollution, while indoor pollution stems from outdoor pollutants entering buildings and activities within. Air pollution causes respiratory and cardiovascular disease and can be especially harmful for asthmatics and during pregnancy. Reducing emissions from vehicles and factories as well as increasing green energy and enforcement of environmental regulations can help address the problem of urban air pollution.
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These lecture slides, by Dr Sidra Arshad, offer a quick overview of the physiological basis of a normal electrocardiogram.
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1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar lead (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
6. Describe the flow of current around the heart during the cardiac cycle
7. Discuss the placement and polarity of the leads of electrocardiograph
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1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. Chapter 3, Cardiology Explained, https://www.ncbi.nlm.nih.gov/books/NBK2214/
7. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
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air pollution public health lecture medicine
1. Result of discharge of the
Foreign bodies Vapors
Particles Droplets
Air
pollution
Into the atmosphere
Or due to excessive amount of normal constituents
Such as
And
CO2
Suspended particular
matter
Produced by
Burning fossils
Fuels
Nerd Panda
2. 75.4%
20.3%
2.9%0.5%
NORMAL
CONSTITUENTS
OF AIR
Nitrog
e
n
7
8
%
O
x
y
g
e
n
21%
Other minor
Gaseous
Elements: neon,
Helium, krypton
& water vapor
0.9%
Argon 0.03%
CO2
Plant pollen:
can cause illness
in susceptible
People (hay,
fever &ashma)
1
-
3
%
There are other
Constituents as:
Spores
Seeds
Pollen
Grain
Factors affecting
sensitivity of human
to air pollution
Age General state
Of health
Nutrition Pre-existing disease
Sex Temperature & humidity
At time of exposure
3. Air
pollution
and health
Mortality & morbidity
Impairment of function &
performance of the systems
With exposure
Symptoms of
irritation
Effects on well-being
Mentally , visibility and
anosmia
Impairment of lung function is often
associated with chronic respiratory conditions
that is aggravated by air pollution
Rhinitis, eye
irritation,
sinusitis
Dermatitis from smoke,
fumes and photochemical
oxidants
4. P H Y S I C A L A G E N T S
heat (thermal) noise
C H E M I C A L A G E N T S
Dust & vapors
Noxious gases Metals
B I O L O G I C A L A G E N T S
Infectious Non-infectious
radiation
O U T D O O R A I R P O L L U T I O N
Contamination
of
the air by
minute particles of
solid and liquid
matter (particulates)
in
concentrations that
endanger health.
lead mercury
bacteria fungi virus
flu measeles
pollen grains
of flowers
Dust mite&
fungi (Molds)
Animal
source
Minute scales from
hair, feathers, or
skin
Protein in urine of
rats and mice (when
it dries, it can
become
airborne) is a
potent allergen.
Outdoor air pollution: It is alteration of percentage of normal air constituents or/and
discharge of contamination leading to imbalance in the air quality
8. Effects of air pollution
Effects on
environment
Effects on
human health
9. Increase rate
of asthma.
Ozone and
traffic
pollutants can
trigger an
asthma attack
Irritation
of the
eyes, nose
and throat
Carbon
monoxide (CO)
binds to
hemoglobin
Brain
problems
People with
asthma, emphysema,
angina, and other
lung and/or heart
problems
may feel the
effects more
acutely.
Cancer risk increases
with exposure to
toxic air
contaminants, such
as benzene,
formaldehyde and
diesel particulate
matter
Problems with
pregnancy: can
increase the
risk of
premature birth,
stillbirth and
low birth weight
Effects on
human
health
Decreased oxygen content in
air leads to inadequate
energy supply to the brain.
There is also the risk of
headaches, depression,
anxiety, etc.
11. Global warming
A significant upward
increase in mean
temperature of
atmosphere produced
mainly
from human activities
such as burning fossil
fuels, and farming.
It is caused by
increased
concentrations of
greenhouse gases in the
atmosphere, mainly
from human activities
such as burning fossil
fuels, and farming.
Green-house gases:
- Water vapor
- Methane
- Ozone (O3)
- CO2
- NO
- Chlorofluorocarbons
(CFC)
12. Efeects of Global Warm
ing
Strong
hurricanes
and cyclones
Loss of
biodiversity
Desertification
Melting of the polar ice
caps, accompanied by a
rise in sea levels, would
lead to
disastrous flooding of low
lying coastal regions.
The distribution of infectious diseases
is expected to change:
•malaria migrating north as
temperatures rise.
•Other vector borne diseases
threatening to spread include dengue
fever,
viral encephalitis, schistosomiasis,
leishmaniasis, , and yellow fever
changes in agricultural
productivity and, given the
time and investment it takes
to adapt to such changes,
most likely famine and
conflict.
13. Acid rain
Effect on Human Effect on The plants
Effect on Seas & rivers Effect On buildings
breathing and lung problems
in children and adult such as
fever, asthma and flu.
acid rain damages the outer
waxy coating which protects
the leaves.
This allows the acid to seep
into the tree, which
eventually kills the tree.
acid rain pollutes the water;
this makes it difficult for
animals that live in the water
to breathe.
As a result, they will
suffocated and die.
acid rain reacts with the
marble and calcium
carbonate, causing
damage to these
buildings
Rainfall made acidic by atmospheric pollution.
The main cause is the industrial
burning of coal and other fossil
fuels, the waste
gases from which contain
Sulphur and Nitrogen oxides
which combine with rain
water to form the acidic rain.
14. Ozone layer depletion
Ozone: is the lower
most part of
stratosphere layer
which prevent most
of UVR
from penetrating
earth surface.
The main cause of ozone
depletion is the emission of
chlorofluorocarbons (freon)
and other ozone depleting
substances and reacting with
the ozone layer thus
thinning it and allowing the
passage of UV rays of the sun
and exerting its harmful
effects on both environment
and man.
Effect:
- Human: more UVR
can end by cancer skin.
- Seas & rivers:
destruction of marine
life.
- The plants: disturbed
planet life-cycle
15. The main cause of ozone
depletion is the emission of
chlorofluorocarbons (freon)
and other ozone depleting
substances and reacting with
the ozone layer thus
thinning it and allowing the
passage of UV rays of the sun
and exerting its harmful
effects on both environment
and man.
Smog(dense visible air pollution)
Smoke: Gas particles e.g. CO, NO.
Fog: Tiny liquid particles microscopic in size.
Smog: Combination of smoke and fog forming dense visible air
pollution.
Gray smog (London smog): in 1952 and after the World War II Londoners
were burning a lot of sulfur-rich coal.
A temperature inversion trapped air pollution which was rich in sulfur
dioxide with fog for five days.
Visibility was near zero at midday for two days.
16. The main cause of ozone
depletion is the emission of
chlorofluorocarbons (freon)
and other ozone depleting
substances and reacting with
the ozone layer thus
thinning it and allowing the
passage of UV rays of the sun
and exerting its harmful
effects on both environment
and man.
CONTROL
MEASURES OF
AIR POLLUTION
CONTROL THE
INDUSTRIAL
ACTIVITIES
LAWS TO CONTROL
THE EMISSION.
Motor vehicles
maintenance and
natural gas-powered
vehicles.
Adequate
ventilation&Smoke
restriction
Promote use of energy
sources other than
fossil fuels e.g. solar &
wind.
Control of solid
waste burning by
recycling and safe
disposal.
Health education
about the effects of
pollution.
17. SOURCE OF
AIR
POLLUTION
Infectious
Non-infectious
Indoor air pollution: People spend large portion of time indoors so that more people suffer
from the effects of indoor air pollution than outdoor pollution (25-62%)
Smoking, home
heating
furnaces and
stoves
Vapors of
building
material, paints
and furniture
bacteria fungi virus
flu measeles
pollen grains
of flowers
Dust mite&
fungi (Molds)
Animal
source
Minute scales from
hair, feathers, or
skin
Protein in urine of
rats and mice (when
it dries, it can
become
airborne) is a
potent allergen.
Overcrowdings with poor air circulation
can promote the spread of some
bacteria
and viruses to buildings and circulate
through indoor ventilation systems.
Note : two conditions help biological
growth: nutrients and moisture.
19. Health Effects
of Biological
Pollutants
Symptoms include sneezing,
watery eyes, coughing and
shortness of breath,
dizziness, lethargy, fever,
and digestive problems,
especially in children, elderly
people, and people with
breathing problems.
Trigger allergic reactions,
including hypersensitivity
pneumonitis, allergic
rhinitis, and some types of
asthma.
Infectious illnesses & toxins,
such as influenza, measles
and molds
Humidifier fever, are
associated with exposure to
toxin from microorganisms
that can grow in large
building ventilation
systems.
Toxic reactions:
caused by some
biological air
pollutants in
the home
20. Prevention and control
of biological Pollutants
Good housekeeping and
maintenance of heating and
air conditioning equipment
are very important.
Insect and
animal control
The key to mold
control is
moisture control.
Adequate ventilation and
good air distribution
Health education
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