CK-12 Foundation
Ck 12: Earth Science: Avoiding Soil Loss Study Guide
Get an overview of soil conservation to avoid soil loss.
US Geological Survey
Usgs: Effects of Human Activities
This site reviews the effects of agricultural development, urban and industrial development, drainage of the land surface, modifications to river valleys, and modifications to the atmosphere have on ground water and surface water.
Better Planet Productions
Earth Care: Let's Convince Council! [Pdf]
Urban building developments and even the construction of parks result in the removal of trees. Students will investigate the issues around a development scenario. They then present an argument to the class, who pose as a town council,...