Air pollution : causes, effects and solutions of air pollution.
Air Pollution Pollution Hill Science 6. Air Pollution What is it? Causes? Indoor –Examples? ...
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Transcript of Air Pollution Pollution Hill Science 6. Air Pollution What is it? Causes? Indoor –Examples? ...
Air PollutionAir Pollution
PollutionPollution
Hill Science 6Hill Science 6
Air PollutionAir Pollution
What is it?What is it? Causes?Causes? Indoor Indoor
– Examples?Examples?
OutdoorOutdoor– Examples?Examples?
Outdoor Air PollutionOutdoor Air Pollution
There are two types of outdoor air pollution:There are two types of outdoor air pollution:
– Particulate pollution (Black Carbon and other)Particulate pollution (Black Carbon and other)– Noxious GasesNoxious Gases
Pollution - ParticulatesPollution - Particulates
Coal, wood, and fossil Coal, wood, and fossil fuels release gases and fuels release gases and tiny particles into the air tiny particles into the air when burned.when burned.
Mining and some Mining and some agricultural practices also agricultural practices also emit particles.emit particles.
The exhaust from burning The exhaust from burning fuels in automobiles, fuels in automobiles, homes, and industries homes, and industries release particles.release particles.
Air PollutionAir Pollution
Noxious gasesNoxious gases sulfur dioxidesulfur dioxide carbon monoxidecarbon monoxide nitrogen oxidesnitrogen oxides other chemical vapors other chemical vapors
is pollution.is pollution. Form smog and acid Form smog and acid
rain. rain.
SmogSmog
Exhaust of fossil fuel-burning engines in cars, trucks, coal power Exhaust of fossil fuel-burning engines in cars, trucks, coal power plants, and industrial manufacturing factories. plants, and industrial manufacturing factories.
VOCs - man-made sourcesVOCs - man-made sources– gasoline, paints, solvents, pesticidesgasoline, paints, solvents, pesticides
SmogSmog
Smog surrounds the Angel Smog surrounds the Angel Monument in Mexico City, Monument in Mexico City, Mexico.Mexico.
The absence of wind The absence of wind circulation prevents circulation prevents pollution near the earth’s pollution near the earth’s surface from escaping. surface from escaping.
SmogSmog
In high enough In high enough concentrations, these concentrations, these particles can reduce particles can reduce visibility and cause many visibility and cause many physical ailments in physical ailments in humans:humans:– CoughingCoughing– HeadachesHeadaches– SneezingSneezing– Eye irritationEye irritation– Chest painChest pain– Respiratory failureRespiratory failure
Air PassagesAir Passages
Infants, elderly, and Infants, elderly, and those with chronic lung those with chronic lung ailments may ailments may experience:experience:– AsthmaAsthma– EmphysemaEmphysema
Air PollutionAir Pollution
Air Pollution is one of Air Pollution is one of the easier types of the easier types of pollution to control.pollution to control.
For example:For example:– Smokestacks fitted with Smokestacks fitted with
filters to catch particlesfilters to catch particles– Autos designed to meet Autos designed to meet
tougher emission tougher emission standardsstandards
Air PollutionAir Pollution
Not all air pollution is Not all air pollution is caused by humans.caused by humans.
Examples:Examples:– Volcanic ashVolcanic ash– Smoke from naturally Smoke from naturally
occurring forest firesoccurring forest fires– Salt spray from oceansSalt spray from oceans
How to Decrease Air PollutionHow to Decrease Air Pollution
TransportationTransportation Drive a car that gets at least 35 Drive a car that gets at least 35
miles a gallon,miles a gallon, Walk, bicycle, use mass transitWalk, bicycle, use mass transit
EnergyEnergy Replace incandescent light bulbs Replace incandescent light bulbs
with compact fluorescent bulbs,with compact fluorescent bulbs, Make your home more energy Make your home more energy
efficient efficient Buy only energy efficient Buy only energy efficient
appliances. appliances.
WasteWaste Recycle newspapers, aluminum, Recycle newspapers, aluminum,
and other materials.and other materials.
Plant trees and avoid purchasing Plant trees and avoid purchasing products such as Styrofoam that products such as Styrofoam that contain CFCs. contain CFCs.
Support much stricter clean air laws Support much stricter clean air laws and enforcement of international and enforcement of international treaties to reduce ozone depletion treaties to reduce ozone depletion and slow global warming.and slow global warming.
Earth is everybody's home and Earth is everybody's home and nobody likes living in a dirty home. nobody likes living in a dirty home. Together, we can make the earth a Together, we can make the earth a cleaner, healthier and more cleaner, healthier and more pleasant place to live.pleasant place to live.
EPA.gov