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Environmental Health

Environmental Health. Chapter Fifteen Pgs. 421 - 443 Ms. Wheeler & Mr. Rath. Environmental Health pg. 422. Environment The natural and human-made surroundings in which we spend our lives

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Environmental Health

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  1. Environmental Health Chapter Fifteen Pgs. 421 - 443 Ms. Wheeler & Mr. Rath

  2. Environmental Healthpg. 422 • Environment The natural and human-made surroundings in which we spend our lives • Environmental health The collective interactions of humans with the environment and the short-term and long-term health consequences of those interactions • Today, there is a growing concern for the following: • Population growth • Pollution: • Greenhouse effect and global warning • Thinning of the ozone layer

  3. World Population Growthpg. 423 3

  4. How Many People Can the World Hold?pgs. 423-424 • 2006 report from the United Nation’s Convention states the population’s demands for resources exceeds the earth’s capacity by 20% • Food • Available land and water • Energy • Minimum acceptable standard of living 4

  5. Factors That Contribute to Population Growthpgs. 424-425 • High fertility rates • Lack of family planning resources • Lower death rates 5

  6. Air Quality and Pollutionpgs. 428-430 • Air Quality and Smog • U.S. Environmental Protection Agency (EPA) • Air Quality Index (AQI) varies from 0 to 500 • Carbon monoxide • Sulfur dioxide • Nitrogen dioxide • Particulate matter • Ground-level ozone • The Greenhouse Effect and Global Warming • Greenhouse gases • Greenhouse effect • Global warming 6

  7. Sources of Greenhouse Gasespgs. 426-427 7

  8. Temperature projections to the year 2100…pg. 427 8

  9. Air Quality and Pollution pgs. 428-430 • Thinning of the Ozone Layer • Invisible layer about 10-30 miles above the earth’s surface • Shields the planet from the sun’s ultraviolet rays • Chlorofluorocarbons • Energy Use and Air Pollution • 85% of the energy we use comes from fossils fuels • Two Key strategies for controlling energy use • Conservation • Development of nonpolluting renewable sources of energy • E85 fuel • Ethanol • Hybrid and electric vehicles • Compact fluorescent light bulbs 9

  10. Water Quality and Pollutionpg. 430-435 • Water contamination and treatment • Fluoridation water treatment • Water Shortages • Sewage • Protecting the Water Supply 10

  11. Solid Wastepg. 433-435 • What’s in Our Garbage? • 2008, American’s generated 250 million tons of trash • Figure 15.3 Lists the Components of municipal solid waste before recycling • Disposing of Solid Waste • Biodegradability • Recycling • Discard Technology: eWaste • Reducing Solid Waste 11

  12. Chemical Pollution and Hazardous Wastepg.436-438 • Asbestos • Lead • Pesticides • Mercury • Other Chemical Pollutants • Preventing Chemical Pollution 12

  13. Radiation Pollutionpgs.438-439 • Nuclear Weapons and Nuclear Energy • Medical Uses of Radiation • Radiation in the Home and Workplace • Avoiding Radiation 13

  14. Environmental Health Chapter Fifteen

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