Ventana have partnered with Sustain, one of the UK’s leading sustainability companies, working on a contract with the Department for Environment, Food and Rural Affairs (Defra) in the field of waste management. The overarching aim of the project is to enable Defra to develop better in-house systems thinking and System Dynamics modelling skills that can be used to support their work in policy development and evaluation. Specifically, during the project these methods will be applied to the development of the Waste Prevention Programme for England (WPP) and in enhancing the evidence base of packaging waste recycling.