Factor 4

The goal of being twice as productive with half the resources (materials and energy), leading to a factor 4 improvement in efficiency. Alternatively, practices which are just as productive with 1/4 of the resources or 4 times as effective with the same resources also count. The concept was introduced in the 1998 book, Factor 4, written by L. Hunter Lovins and Amory Lovins of the Rocky Mountain Institute, and Ernst von Weizs├Ącker, founder of the Wuppertal... Read More