Further simplification of a complex policy environment, together with a long term, clear and committed vision for low carbon in the United Kingdom, would give retailers the certainty and confidence required to make the significant investments needed to move to a low carbon economy.” ( Government also has a role in setting the tone and direction of public debate about food, and a role in fostering cultural and behavioural change. This leadership and agenda-setting role can be a powerful complement to direct interventions.” (