Section 3:  Global Warming

Chapter 13 Section 3 Presentation
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Key Terms:

• greenhouse gases
• global warming
  
• ​Kyoto Protocol
  

Main Ideas:

• Gases that absorb and radiate heat in the atmosphere are called greenhouse gases.  The important greenhouse gases are water vapor, carbon dioxide, CFCs, methane, and nitrous oxide.
• The predicted increase in global temperature that occurs as a result of increasing greenhouse gases in the atmosphere is called global warming.
  
• Because climate patterns are complex, scientists use computer models to attempt to predict the rate of global warming.
  
• Global warming could produce a number of potentially serious environmental problems.
  
• In 1997, representatives from 160 countries ratified the Kyoto Protocol, which set timetables for reducing emissions of greenhouse gases.