>Take a look at the before and after pictures. Forest covered half of North America. It's all gone. Pictures of North America? What pictures? North America i

>Take a look at the before and after pictures. Forest covered half of North America. It's all gone. Pictures of North America? What pictures? North America is more heavily forested than it was 100 years ago. >We're talking about a scenario where they won't have the energy to do that. It's a bootstrapping problem. We can do it with nuclear power. Maybe even renewables, depending on what happens with battery technology. >When the problem itself is posed as "what if we no longer have all we need to make fancy stuff" That will never happen. There are options. It's just a question of what makes the most sense.