Discusses a two-year project on the properties of polyelectrolyte flocculants conducted by students at the Abbey High School, Redditch, England. Included are descriptions of the experimental procedures used and conclusions arrived at. (CC)

This paper describes ways in which the principle of enhanced sustainability might become a point of reference in social science research, considered as a dimension of all social and economic behavior. Discusses some of the lessons learned from the Global Environmental Change program and considers the relationship between this work and…

Describes a problem-based learning approach to teaching environmental biology designed to complement the lecture program and build on practical and teamwork skills developed in earlier coursework. The program guides students through the processes of design, testing, validation, and modification of experimental protocols, and reinforces students'…