n this lecture, Steve Cohen how sustainability metrics can be defined and what aspects of sustainability should an organization measure including: material intensity, energy intensity, water consumption, toxic emissions, and pollutants. He next presents the relationship of sustainability metrics to the organization's performance measurement and management systems. Cohen discusses the methodological issues raised by measuring sustainability and concludes with the reasons why it is important to measure sustainability. Content in this video is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. http://creativecommons.org/licenses/by-nc-nd/3.0/