A sustainable economy can include a human society that delivers more good to its members, even while enriching, rather than degrading, the ecosystem we live in.
It is time to put aside, explicitly and decisively, the objective of higher GDP. GDP measures quantity, not quality of production. GDP presumes that a growth in production is a growth in quality of life, when in fact we have reached a point that the opposite is true. Not even our current level of goods production can be sustained, much less continual increases.