ECSU Earth System Sciences Course Description
http://nia.ecsu.edu/nrts/workshops/cet/esseacourses2.html
Earth System Science Lesson Module for
Pre-service Elementary Education Teachers: The Hydrosphere
http://nia.ecsu.edu/nrts/earthsystem/lessons/lessons.html
ESSEA Earth System Science Online Course Training Workshop
http://nia.ecsu.edu/onr/02summer/072402cet/cetworkshop.htm
Dr.
Porter's abstract for the AGU 2001 Fall Conference
http://nia.ecsu.edu/nrts/workshops/cet/porter.html
Institute
for Global Environmental Strategies
http://www.strategies.org
Center for Education Technologies
http://www.cet.edu
ECSU Virtual College
http://vc.ecsu.edu