Global Warming

Scientists made an alarming discovery in the 1980s. They found out that the average temperature of the Earth's surface was slowly rising. This trend is called global warming. Today we know that global warming is increasing because more and more gases get into the atmosphere.

Contents : 7  pages

• Greenhouse effect
• Causes of global warming
• Possible effects of global warming
• The Kyoto protocol
• Exercises
• Key

Downloadable Sample of the Full Module (Not Printable) :

• Global Warming  - Text  (PDF  228  KB)
  
• Global Warming   - Exercises  (PDF  182  KB)