Book Review of Life Cycle Assessment: Theory and Practice, edited by Michael Z. Hauschild, Ralph K. Rosenbaum, and Stig Irving Olsen; Environmental Life Cycle Assessment, by Olivier Jolliet, Myriam Saadé‐Sbeih, Shanna Shaked, Alexandre Jolliet, and Pierre Crettaz; and Life Cycle Assessment: Quantitative Approaches for Decisions That Matter, by H. Scott Matthews, Chris T. Hendrickson, and Deanna H. Matthews