Links:
[1] http://www.edutopia.org/sara-bernard
[2] http://www.pittsburghlive.com/x/pittsburghtrib/news/cityregion/s_530749.html
[3] http://www.sidneyherald.com/articles/2007/10/02/news/news05.txt
[4] http://www.chicagosuburbannews.com/downersgrove/homepage/x1910576215
[5] http://www.recyclenow.com/start_recycling/at_school.html
[6] http://www.epa.gov/epaoswer/education/mad.htm