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Environmental Health Ch 17 Environmental Health Ch 17 When the sun rises, I go to work. When the sun rises, I go to work. When the sun goes down, I take my When the sun goes down, I take my rest. rest. I dig the well from which I drink, I dig the well from which I drink, I farm the soil that yields my food. I farm the soil that yields my food. I share creation, Kings can do no I share creation, Kings can do no more. more. -- Ancient Chinese Proverb, 2500 B.C. -- Ancient Chinese Proverb, 2500 B.C.

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Page 1: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

Environmental Health Ch 17Environmental Health Ch 17

When the sun rises, I go to work.When the sun rises, I go to work.When the sun goes down, I take my rest.When the sun goes down, I take my rest.

I dig the well from which I drink, I dig the well from which I drink, I farm the soil that yields my food.I farm the soil that yields my food.

I share creation, Kings can do no more.I share creation, Kings can do no more.

-- Ancient Chinese Proverb, 2500 B.C.-- Ancient Chinese Proverb, 2500 B.C.

Page 2: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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EnvironmentEnvironment

The multitude of dynamic conditions The multitude of dynamic conditions that are external to the personthat are external to the person

Page 3: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Environmental Health

The collective interactions of humans with the environment and the short-term and long-term health consequences of those interactions

Page 4: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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"Man did not weave the web of life - he is merely a strand in it.

Whatever he does to the web, he does to himself."

Chief Seattle (1854 treaty oration)

http://www.solarhaven.org/ChiefSeattle.htm
Page 5: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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"In our every deliberation, we must consider the impact of our

decisions on the next seven generations."

From The Great Law of The Iroquois Confederacy

Page 6: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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What are some classic environmental concerns?

Page 7: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Water QualityAir QualityWaste DisposalPopulationGreenhouse Effect and Global WarmingChemical PollutionRadiationIndoor Air Pollution

Page 8: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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An Inconvenient Truth: Al Gore

Page 9: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Clean Water

Water Contamination and Treatment.FluoridationWater-treatment plants

Water shortagesOnly 35% of the world’s population has an adequate water supply

Page 10: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Waste Disposal

Sewage•Septic system•Heavy metal•Polychlorinated biphenyls (PCBs)

Solid waste•Garbage•Sanitary landfill

Page 11: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Waste DisposalWhat You Can Do to Reduce Garbage

Products with least amount of packagingProducts made of recycled paper or recyclable productsAvoid using foam or paper cupsStore food in glass jars and reusable plastic containersRecycle newspapers, glass, cans, paper, and any other recyclablesStart a compost pileStop junk mail

Page 12: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Population Growth

World’s population currently estimated at 6.1 billion

Increasing by 78 million per yearTo exceed 9 billion by 2050

How Many People Can the World Hold?FoodAvailable land and waterEnergyMinimum acceptable standard of living

Page 13: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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World Population

Factors That Contribute to Population Growth

High fertility ratesLack of family planning resources Lower death rates

Page 14: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

14p. 395 Text

Page 15: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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An estimated ______% of the U.S. population live in communities that fail to meet 1 or more federal air quality standards.

Page 16: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Pollution

Air pollutionKey Terms:

• EPA- Environmental Protection Agency

• AQI- Air Quality Index• Smog• Thermal Inversion • Acid Rain

Page 17: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Page 18: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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P. 423 Text Greenhouse Effect

Page 19: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Since recordkeeping began in 1880, temperatures have steadily

increased

Carbon Dioxide levels in the atmosphere have also increased

dramatically since 1960

Refer to P. 424 Figure 17-4 in Text

Page 20: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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p. 396 Text Greenhouse Effect

Page 21: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Potential Effects of The Greenhouse Effect and Global Warming

Climate Changes:

– Increases in Temperature

– Decrease in Precipitations

– Rise in Sea Level

Page 22: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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These Climatic Changes Impact:

HealthAgriculture ForestWater ResourcesCoastal AreasSpecies and Natural AreasWeather Patterns

Page 23: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Radiation Forms:Ultra-violet RaysMicrowavesX-Rays

Sources: Sun

Uranium Nuclear weapons/ energy Radon

Page 24: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Page 25: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Noise Pollution

Decibel: Measure of intensity of a sound wave

Avoiding Noise Pollution:Ear Protectors around machineryHeadset at 4 (out of 10)Avoid repeated exposure to sounds over 80 decibels

Page 26: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Avoid exposure to painfully loud sounds 80 + decibels

Page 27: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Healing the Environment

Page 28: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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Center for Environmental Research and Training (Univ. of Ca. at San Diego)

Carbon Management Group- Works with companies to help reduce e greenhouse gases.

Future Forests (FF) Neutralize Co2 by reforestation and use of “clean” energyProvides funding for developing countries to use solar energy instead of fossil fuels

Page 29: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

A family of four creates an estimated 15 tons of carbon dioxide emissions per year, (based on a calculation of its daily household energy consumption, the running of two cars and a family holiday in Florida).

To offset the greenhouse gases created, 26 trees need to be planted

Page 30: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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"going carbon neutral",

is intended to reduce global warming encourages film-makers to plant trees to "neutralize" the greenhouse gases created in the production of their art.

Page 31: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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The Rolling Stones paid for a forest on the Isle of Skye to offset the carbon dioxide emitted during their nine-day British tour. It was estimated that to balance the environmental effect of the tour the rock band had to plant 2,800 trees. About 90 per cent of the emissions were created by the fans travelling to see the band, with one tree planted for every 57 fans.

Page 32: Environmental Health Ch 17 When the sun rises, I go to work. When the sun goes down, I take my rest. I dig the well from which I drink, I farm the soil

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"I'd put my money on the sun and solar energy. What a source of power!

I hope we don't have to wait till oil and coal run out before we tackle that."

- Thomas Edison


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