A Note on Background The curriculum is designed to be used over
a 6 week period, with one unit per week. Each weekly unit is
designed to take up between 1 and 2 class periods along with
out-of-class research and follow-up activities. The project
contains the following sections and activities: The most
important part of the project is, of course, the "Weekly Units"
folder. All other folders provide support materials. A simpler
version of each unit and its activities is provided for grades
5-7. All 6 units and their related activities are available on-
line. Each unit is divided into five segments, all of which are
hyperlinked: The "Cities of today, cities of tomorrow" units on
the World Wide Web are set up to be self-contained and easy to
use. However, additional materials can be used from other Web
sites. One useful site is Habitat II at
http://www.undp.org/un/habitat/ It is encouraged that the work
be done in groups or as a class, not individually. It is best if
groups remain the same throughout. If the class