Achieving scale and ensuring sustainability are two of the biggest challenges facing development projects. Larry Cooley, President Emeritus and Senior Advisor at Management Systems International, explains the "scaling by subtraction" approach and why it makes sense for development.

As part of the Devex series of scaling nutrition, experts from the field unpack some of the nuances and complexities of systematic scaling nutrition interventions. Watch this short video about some of the common challenges and best practices when scaling up programs.