The changes and significant developments that have accompanied the relatively young field of environmental science are documented in this addition to the . From major causes for environmental concern to possible solutions, presents a balanced and comprehensive view of the collective fields of ecology, sociology, demography, and waste management. Special focus is on important environmental events and discoveries that occurred between 1996 and 1999. Additionally, related information is presented on key people, career opportunities, organizations, resources, and more. This is a must-have reference tool for understanding a larger view of environmental science.