Discusses the hydrologic cycle and the effect of dams on the environment. For this week's class discussion, please to respond the following:
• What are the positive aspects of dams?
• What are the negative aspects of dams?
• What are some alternatives to dams?
The hydrologic cycle involves the cycle of water that occurs on the earth. When water evaporates from the surface of the ocean or is blown by the wind into the air it becomes what is known as precipitation or water vapors. These water vapors are transported into the atmosphere where they develop into rain clouds. The water