environmental health
DESCRIPTION
ENVIRONMENTAL HEALTH. AIR POLLUTION. The contamination of the earth’s atmosphere by substances that pose a health threat to living things. FIVE COMMON AIR POLLUTANTS. OZONE. A gas composed of three oxygen atoms. - PowerPoint PPT PresentationTRANSCRIPT
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ENVIRONMENTAL HEALTH
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AIR POLLUTION
The contamination of the earth’s atmosphere by substances that pose a health threat to living things
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FIVE COMMON AIR POLLUTANTS
OZONE
PARTICULATE
MATTER
CARBON MONOXI
DE
SULFUR DIOXIDE
NITROGEN
OXIDES
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OZONE
A gas composed of three oxygen atoms. SMOG- a yellowish-brown haze that forms when
sunlight reacts with air pollution
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PARTICULATE MATTER
A general term for particles such as dust, dirt, soot, smoke, mold, or liquid droplets that are found in the air.
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CARBON MONOXIDE
A colorless, odorless gas that contains carbon and oxygen.
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SULFUR DIOXIDE
A gas made up of sulfur and oxygen. It dissolves in water to form an acid, and reacts with other gases in the air to form sulfates
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NITROGEN OXIDES
A general term for a group of highly reactive gases that contain varying amounts of nitrogen and oxygen.
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AIR QUALITY INDEX (AQI)
An index for reporting daily air quality
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ASBESTOSA fibrous mineral that has fireproof properties
RADONAn odorless, radioactive gas
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NOISE POLLUTION-A harmful and unwanted sound of sufficient intensity to damage hearing
DECIBEL-A unit used to express the relative intensity of loudness of sound
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DECIBEL LEVELS OF COMMON SOUNDS
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BIODEGRADABLE
Able to be broken down by microorganisms in the environment
LANDFILL
An area that has been safeguarded to prevent disposed wastes from contaminating groundwater
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HAZARDOUS WASTE
A substance that is explosive, corrosive, highly reactive, or toxic to humans or other life forms
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DEFORESTATION
Destruction of forests
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URBAN SPRAWL
The spreading of city development onto undeveloped land
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WASTEWATER
Used water that comes from homes, communities, farms, and businesses
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OTHER SOURCES OF WATER POLLUTION
SEDIMENTFrom land erosion can destroy aquatic ecosystems and clog lakes, streams, channels, and harbors
OILSome comes from the cleaning of oil tankers and from offshore drilling sites. Problems are also from when people dump motor oil or household chemicals down storm drains
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WHAT CAN YOU DO TO HELP?? 1- Recycle
2- Dispose of all materials properly
3- Follow directions when using chemicals such as cleaning products and pesticides
4- Reduce water usage
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CONSERVATION
The protection and preservation of the environment by managing natural resources to prevent abuse, destruction, and neglect
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HEATING AND COOLING
Seal leaks around doors, windows, and electrical sockets to prevent heated and cooled air from escaping
During heating season, wear an extra layer of clothing instead of turning up the thermostat. (68 degrees)
Keep thermostat at 78 degrees during air-conditioning season
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WATER CONSERVATION
Wash clothes in warm or cold water. Accumulate a full load before washing laundry or running the dishwasher.
Fix leaky faucets, and never let the water run unnecessarily. Turning off the water while brushing your teeth or shave can save 4.5 gallons of water per minute.
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LIGHTING AND APPLIANCES
Replace traditional lightbulbs with fluorescent bulbs.
Switch off lights when you leave a room Turn off tv’s, radios, computers, and other
appliances when not in use Use a microwave or toaster oven instead of a
conventional oven when cooking a small amount of food
Don’t preheat oven for longer than necessary. Avoid opening the oven door unnecessarily while the appliance is in use.
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PRECYCLING-Reducing waste before it is generated- (purchasing and using products wisely)
RECYCLING-The processing of waste materials so that they can be used again
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RECYCLING BENEFITS:
1- Recycling conserves resources
2- Recycling reduces reliance on landfills
3- Recycling protects environmental health
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TIPS FOR RECYCLING AND REDUCING WASTES Aluminum-
Rinse aluminum and crush cans
Cardboard- Flatten cardboard
Glass- Rinse
Plastics- Look for code on container. Most recyclers take those
marked 1, 2, or 3.
Newspapers- Stack newspapers and tie in bundles
Glossy paper- Contact services that help you remove your name from
mailing lists
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PROTECTING THE ENVIRONMENT
Become an informed consumer
Contact organizations that promote the conservation or resources and educate people on environmental issues
Take action against local polluters