Environmental Issues and Sustainability

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Environmental Issues and Sustainability

  1. 1. ENVIRONMENTAL PROBLEMS, THEIR CAUSES, AND SUSTAINABILITY The Walker School Environmental Science Mr. Thomas Cooper
  2. 2. A First Look (Earth Rising – Apollo 11)
  3. 3. General Earth Statistics  Average distance from Sun: 149.6 million km  Revolution Period: 365.26 days  Rotation Period: 23 hours 56 minutes, 4 seconds  Rotational Speed 1,057 mi/hr  Axis Inclination: 23°27„  Equatorial Diameter: 12.756 km  Average Temperature: 22 °C
  4. 4. A Crowded World
  5. 5. World Population Growth – 2.5%
  6. 6. WHAT ARE ENVIRONMENTAL INDICATORS?

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