American Geosciences Institute
American Geosciences Institute: Earth Science Week: Hands on Experiments to Test for Acid Mine Drainage
Fifteen short experiments which test acid mine damage to the streams, rivers, and creek ecosystems surrounding it.
US Geological Survey
Usgs: Water Science School:water Quality
Learn about the importance of water quality and environmental influences that reduce it.
Other
Epa: Today's Aqi Forecast
An interactive map used to find the current and forecasted air quality index for any location in the United States.