Abstract: A method of undertaking and implementing a project using at least one concept, method or tool which integrates Lean Six Sigma and Sustainability Concepts is provided. The method includes the steps of: a) collecting data regarding a project to be undertaken; b) analyzing the collected data to identify a problem associated with the project; c) defining a desired solution to the problem; and d) creating a plan of action based on the desired solution. At least one of steps a) through d) is performed utilizing at least one concept, method or tool which integrates Lean Six Sigma and financial and social and/or environmental sustainability concepts. The method also includes implementing the plan of action to obtain financial and social and/or environmental benefits.