After three years of being on the statute books, what has the Wellbeing of Future Generations Act 2015 achieved? Has the groundbreaking, world-leading legislation achieved world-beating results? Has the legal responsibility put on the Welsh public sector, including Welsh Government, to consider sustainability in all of its actions, actually made a difference? Jane Hutt, Welsh Assembly Deputy Minister and Chief Whip, Jane Davidson, the original architect of this Act, and Sophie Howe, the independent commissioner responsible for delivery, discuss progress.