We challenged the Treasury on how seriously it is taking the sustainability of government finances, to which it stated that it was taking the matter very seriously. It commented that the OBR’s fiscal sustainability report includes a 50–year forecast and looks at what happens if everything stays the same. Based on current policy and the latest demographic projections, the OBR estimate public debt is projected to almost triple from under 100% of GDP to over 270% of GDP over the next 50 years.68 The main takeaway from that–given the issues of an ageing population, demands on healthcare, and climate damage – being that some things are going to have to be done differently.69