1.0 Introduction.
Advancements in technology over the last 100 years have provided mankind with an unappalled material wealth. According to the WorldWatch Institute Report, the world economy has expanded from $4 trillion in 1950 to more than $20 trillion in 1995, and in this same time period world population has more than doubled (WorldWatch Institute, as cited in Valasquez, 1998). But this technological and material prosperity does not come without its costs; there have been terrible consequences on our natural environment. …
