Subtopic 1: Point and Nonpoint Source Pollution
"Point Source and Nonpoint Source Pollution." Encyclopedia of Pollution. ScienceOnline.
Subtopic 2: Water Pollution
"Food and Water Hazards." Pollution, Green Technology.
Subtopic 3: Hydrologic Cycle (video)
"Earth's Hydrologic Cycle." Geocycles. Science Online.
Subtopic 4: Aquifers
"Aquifer." Encyclopedia of Weather and Climate, Revised Edition. Science Online.
Subtopic 5: Water Shortage
"Sustainable Water Use." Humans and the Natural Environment, Our Fragile Planet.
Case Study: The Aral Sea - 3 readings
"The Aral Sea Crisis." Columbia University.
and
"Shrinking Aral Sea." NASA Earth Observatory.
and (video)
"Drying of the Aral Sea: Timelapse." Google Earth Outreach. 2012.
Case Study: The Aral Sea - 3 Readings
"Drying of the Aral Sea: Timelapse." Google Earth Outreach. 2012.