What challenges will people face when fossil fuel runs out?

Answer 1

The world will return to a much more local economy, the superconnected system of trade will end and trades will be more valued for those who can produce something directly and barter for it

Answer 2

When fossil fuels run out, people will face challenges such as energy shortages, economic instability due to increased costs of alternative energy sources, and potential conflicts over remaining resources. There may also be difficulties in transitioning to renewable energy sources and infrastructure, as well as addressing environmental impacts of decades of fossil fuel use.