Becca Palczynsky October 11, 2012 OAS, Middle, GFL, 2012, Asia Three Gorges Dam Debate Becca Palczynsky October 11, 2012 OAS, Middle, GFL, 2012, Asia Click on the image above to download the lesson. Students will analyze and evaluate facts and create an argument for or against building a large damGrade level(s): Middle Standards: OAS, GFL Produced By: Heather Braucher