The Importance of Changing Behaviour at Scale

I was struck by the number of laudable ambitions that recent governments were issuing to improve our health and tackle climate change. I wanted to examine the extent to which that impression was realised when I looked at some of those policies. And what I found was that all four of them were off track to varying degrees, or predicted to be off track. So targets are being laid down, gauntlets are being thrown down, but there's no evidence for why, how, or what to do in order to achieve those outcomes.