Student learning and development do not occur without teacher learning and development. Not any teacher development will do, though. The old flaws of weak and wayward staff development are well-known--no staff development, in which trial and error are assumed to be enough; staff development that is all ideas and no implementation, i.e. the…

Describes a classroom exercise designed to illustrate the economic aspects of common ownership, individual ownership, government regulation and to examine how these relate to conservation. The exercise involves the incremental distribution (via a turkey baster) of water between buckets marked "now" and "future." Different rules replicate different…