One of the first questions any green project (or aspirational fiction setting) gets is “where do the raw materials come from?” Sometimes this is sincere, sometimes it's meant to be a gotcha. In the present day, our ravenous

After all, wind turbines need steel and concrete (apparently unlike coal plants

In our page on long-lasting stuff we discussed a few ways a solarpunk society could scale back new production while still meeting peoples' needs by changing how and why they make things. If your setting is extremely committed to regrowth, they might be able to manage something close to a closed system where recycling meets much of their input requirements.

But it's unlikely that