The Handbook of Environmental Engineering
(HEE), Volume 20, Integrated Natural
Resources Management, is dedicated to the
memory of Dr. Nazih Shammas – loving
husband, father, and grandfather – who passed
away on Friday, May 29, 2020, at age 81.
Dr. Nazih K. Shammas contributed
significantly as an author/coeditor in the HEE
series. Dr. Shammas was an Editorial Board