system
A chat on subreddit /r/wallstreetbets
human
Reduction of people or just less power use per person. But, yeah, birthrates in those areas are definitely unsustainable.

gpt
Wind power plants are already many times more efficient than they were just 20 years ago not to mention solar and battery facilities. There are even a couple of workable wave energy models out there. There's no reason we can't manage the majority of our energy production on renewables.