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© 2013 McGraw-Hill Higher Education. All rights reserved. Environmental Health Chapter Fifteen Pgs. 421 - 443 Ms. Wheeler & Mr. Rath
© 2013 McGraw-Hill Higher Education. All rights reserved. Environmental Health pg. 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 2
© 2013 McGraw-Hill Higher Education. All rights reserved. World Population Growth pg. 423 3
© 2013 McGraw-Hill Higher Education. All rights reserved. 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
© 2013 McGraw-Hill Higher Education. All rights reserved. Factors That Contribute to Population Growth pgs. 424-425 High fertility rates Lack of family planning resources Lower death rates 5
© 2013 McGraw-Hill Higher Education. All rights reserved. Air Quality and Pollution pgs. 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
© 2013 McGraw-Hill Higher Education. All rights reserved. Sources of Greenhouse Gases pgs. 426-427 7
© 2013 McGraw-Hill Higher Education. All rights reserved. Temperature projections to the year 2100… pg. 427 8
© 2013 McGraw-Hill Higher Education. All rights reserved. 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
© 2013 McGraw-Hill Higher Education. All rights reserved. Water Quality and Pollution pg. 430-435 Water contamination and treatment Fluoridation water treatment Water Shortages Sewage Protecting the Water Supply 10
© 2013 McGraw-Hill Higher Education. All rights reserved. Solid Waste pg. 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
© 2013 McGraw-Hill Higher Education. All rights reserved. Chemical Pollution and Hazardous Waste pg.436-438 Asbestos Lead Pesticides Mercury Other Chemical Pollutants Preventing Chemical Pollution 12
© 2013 McGraw-Hill Higher Education. All rights reserved. Radiation Pollution pgs.438-439 Nuclear Weapons and Nuclear Energy Medical Uses of Radiation Radiation in the Home and Workplace Avoiding Radiation 13
© 2013 McGraw-Hill Higher Education. All rights reserved. Environmental Health Chapter Fifteen
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