There are two files under the "Summer Homework" folder located on the main page under the contents section:

.doc - Chapter 1 Notes/Review Questions: Ten Principle of Economics; Please read the notes provided and answer the 10 review questions on a separate sheet of paper.
pdf - Landsberg Article: Why I am not an Envirornmentalist; The purpose of this article is to make you think differently about certain issues based on economic analysis.  Please read and be prepared to answer a couple of questions about it on the 1st day of class.
 

I'm looking forward to meeting you this August.