Treating Our Tropical Treasures with TLC
 http://www.rich.frb.org/pubs/econ/fall98/tlc.html
 Students learn about the value of tropical rainforests and understand that
rainforests are scarce resources.

 Everything Comes From Something

http://www.nationalgeographic.com/xpeditions/lessons/16/gk2/everything.html
 In this lesson students will learn about renewable and nonrenewable
resources and trace resources\' points of origin by constructing and
analyzing a product map.

For Teachers Home Page

Bronwyn Ritchie's Pivotal Points