Together with better education and health policies and more investment in infrastructure and technology – true supply side policies – the productive capacity of the economy could increase, providing some of the resources the economy needs to fight and adapt to the climate breakdown.
This sentence sounds optimistic, but it’s based on the idea that all these investments will actually work out the way he expects. He doesn’t really mention how complicated or slow that kind of change could be, or what happens if it doesn’t go as planned.