Review the case study information provided at the link below for Vanguard then address the questions that follow.
http://www.systemsthinkingmethod.com/downloads/Vanguard-O2-case-study.pdf
Based on the case study data and the actions taken by Vanguard, which change method do you feel most closely resembles their actions (Kotter’s 8 steps, Complexity Theory, Learning Organization Theory, Green and Sustainability Theory, and Kurt Lewin’s Force Field Analysis (Unfreeze, Change, Freezing)? Explain your reasoning.