15 PowerPoint ® Lecture Outlines prepared by Dr. Lana Zinger, QCC CUNY Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Environmental Health: Thinking Globally, Acting Locally
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Overpopulation Facts In 2000, population = 6.1 billion people Prediction for 2050 = 9.4 billion people Unequal distribution India’s population largest increase Urban versus rural Concept of zero population growth
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 15.1 World Population Growth, (Projected)
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 15.2 World Liquids Consumption by Region and Country Group, 2004 and 2030
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Air Pollution Clean Air Act 1970 Amendments in 1977 and 1990
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Air Pollution Sources of air pollution Sulfur dioxide Particulates Carbon monoxide Nitrogen dioxide Ozone Lead Carbon dioxide Hydrocarbons
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Air Pollution Photochemical smog Temperature inversion Acid deposition and acid rain Wet deposition Dry deposition Cloud deposition What is the air quality like where you reside?
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Air Pollution Indoor air pollution Environmental tobacco smoke Home heating Asbestos Formaldehyde Radon Mold Household chemicals Sick building syndrome
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Air Pollution Ozone layer depletion Chlorofluorocarbons (CFCs) Global warming Greenhouse gases Reducing air pollution Energy Transportation Industry
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 15.3 The Greenhouse Effect
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. ABC News: Environmental Health Discussion Questions What amount of plant and animal species extinction do scientists predict by the year 2050, caused by global warming and climate change? By end of the 21st century? Do you think world leaders are concerned about the effects of global warming? How has the spreading of human habitat in the United States impacted plants and animals? Play Video Play Video | Environmental Health
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Water Pollution Fact 75% of the earth is water Water contamination Point source vs. nonpoint source Septic systems Landfills Gasoline and petroleum products
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 15.4 Sources of Groundwater Contamination
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Water Pollution Chemical contaminants PCBs Dioxins Pesticides Lead
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Land Pollution Solid waste Per person average = 4 pounds/day Municipal solid waste Hazardous waste Love Canal, New York Dump sites Superfund
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 15.5 Waste Generation and Recycling Rates
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings.
Noise Pollution Source of distress Sleep patterns Headaches Tension Blood pressure Sources Stereos Neighbors Trains Airports
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 15.6 Noise Levels of Various Sounds
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Radiation Nonionizing radiation Radio waves TV signals Microwaves Infrared waves Visible light EMFs Electric and magnetic fields Findings are weak
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings. Radiation Ionizing radiation Alpha particles Beta particles Gamma rays and X-rays 50% natural sources Nuclear power plants 1% of total radiation Disposal is dangerous Dangers of meltdown