even rare or common metals, nuclear fuels and other absurd "finite" resources can be recycled. there is also another rarely mentioned fact that it's possible to have "more resources" if you learn how to use existing resources better (more efficiently or replaced by more abundant ones), how to explore more resources, how to use organic matter in your favor because it's made of water, air and micro-nutrients, which are abundant, recyclable and easily found, so you can either use the existing biomass or easily expand it by planting stuff everywhere or growing algae or whatever, ...
Brazil