If you're talking about a story happened in 2050 it means We are going to talk about the future that's going to happen soon. I think if that day comes, with a population of more 1 billion people probably meansIf you're talking about a story happened in 2050 it means We are going to talk about the future that's going to happen soon. I think if that day comes, with a population of more 1 billion people probably meansOil less. We see renewable energy in new ways.
Humans can develop aviation system up and down one step. The ability to send to Mars, and with safe with computer technology. May be a transparent sheet roll away. Able to collect information and to have more speed.Because the oil will keep only what is necessary. The car is light and battery capacity fire a lot. The world may develop more than I thought. When humans have needs.