1. The planet will be very crowded.
2. There will be about 8.2 billion people on the planet.
3. China will have a bigger population than India.
4. We might have 10 cities with populations of over20 million.
5. It won’t be easy to produce food for everybody.
6. Green energy will be very important.
1. water / be more expensive than oil
E.g. I (don’t) think water will be more expensive than oil.
2. Water won’t/might be more expensive than oil.
3. most people / live in cities
4. all our homes / use green energy
5. most people in the world / speak Chinese
6. children / have all their lessons online
7. people / have computers inside their heads
8. air travel / be too expensive for most people
9. most people / have 3D TVs in their homes