With all the Smart Growth, New Urbanism, environmental, and sustainable development stuff going on...?

Question

What will our cities and towns look like in 20 years and what will happen to the following (existing stuff):

1. Existing cities and towns

2. Suburbs and single-family neighborhoods

3. Existing streets

4. Existing businesses such as shopping centers, grocery stores, gas stations, etc.

5. Existing freeways

6. Existing airports

7. Car travel

8. Air travel

9. Technology and a future hi-tech society

Answer 1

The existing stuff will still be there, but the new developments will be different.