The spectacular industrial and economic development of the twentieth century was achieved at a considerable environmental cost. The increasingly precarious posi

First Published in 2011. How clean should a stream be? And what represents an efficient way of bringing about desired conditions? These are the basic issues tha

This book is open access under a CC BY-NC 4.0 license. This revised, updated textbook presents a systems approach to the planning, management, and operation of

The city of Pittsburgh and surrounding area of southwestern Pennsylvania face complex water quality problems, due in large part to aging wastewater infrastructu

The central challenge for Arizona and many other arid regions in the world is keeping a sustainable water supply in the face of rapid population growth and othe