Article: Perils for Pedestrians

http://www.pedestrians.org/articles/riskmanagement.html
"Promoting and encouraging the development and use of safe walkways near schools helps improve fitness, fosters a sense of community spirit and reduces the risk of accidents and injuries. The number of students walking to school in the United States has fallen from 70 percent a generation ago to barely 10 percent today. What are the implications of this enormous change? What caused it? What can be done to reverse it?"