All known resources are finite.
It's not like we actually need that land to grow food on or anything.
I think that would be enough time to figure out fusion. Or put wind and solar everywhere.
But we seem to be stuck, paralysed in our fight to solve everything with impossible requirements.
Fight AGW, NO nuclear, and keep the standard of living (or even increase it). All at the same time.
Personally, I would rather relax the second requirement.
Sure, the sun is finite too. But the idea here is to speak in terms of human experience, not literal truths