Surender Kumar of Delhi School of Economics, University of Delhi reviews “New Directions in Productivity Measurement and Efficiency Analysis: Counting the Environment and Natural Resources,” edited by Tihomir Ancev, M. A. Samad Azad, and Francesc Hernández-Sancho. The Econlit abstract of this book begins: “Eleven papers explore novel research perspectives at the intersection of environmental/natural-resource economics and productivity analysis, emphasizing the link between productivity and efficiency measurement and environmental impacts.”