# CSB Sustainable Share Index™ - Research on IRI Purchasing Data

Center for Sustainable Business

March 11, 2019 ![CSB Sustainable Share Index™ Cover Photo](/sites/default/files/styles/246w/public/assets/images/Sustainable%20Brands%20SSI%20Cover%20Photo%203.jpg?itok=hGi2yIim) In partnership with IRI, we released the findings of a new U.S.-based study and established the CSB Sustainable Share Index™, an in-depth analysis of consumer purchases of products that are marketed for their sustainable attributes. Our research finds that sustainability-marketed products are responsible for *more than half of the growth* in consumer packaged goods since 2013. [Read more](http://www.stern.nyu.edu/experience-stern/about/departments-centers-initiatives/centers-of-research/center-sustainable-business/research/internal-research/sustainable-share-index)