US Geological Survey
Usgs: Water Science for Schools Effects of Urbanization
This U.S. Geological Survey website offers a short article then lists topics that are linked to brief articles that describe that particular topic's effect on water quality in urban areas. Click Home to access the site in Spanish.
US Geological Survey
Usgs: Water Science for Schools Pesticides Ground Water
This US Geological Survey site briefly discusses the basics of why pesticides are increasingly found in our ground water. Click Home to access the site in Spanish.
Other
Chiro web.com: Medial Collateral Ligament Sprain
This is an in-depth look at sprains of the Medial Collateral Ligament, the ligament located on the innermost part of the knee which connects the bones of the leg and offers stability to the knee.