| If global warming truly becomes a problem then human | | | | In doing this we would not have to make buildings, |
| populations may be forced to build underground where | | | | which goes straight up and we could connect the walls |
| it is safe. This would also protect us from solar flares | | | | and the floors of the building laterally into the dirt and |
| and solar radiation. Building vertical Tunnel habitats | | | | therefore it would be much stronger and cheaper to |
| straight down instead skyscrapers makes a lot of | | | | build. People could live in these underground vertical |
| sense. | | | | Tunnel habitats and then simply use an elevator to get |
| For instance there is no way to crash an aircraft into a | | | | up to the surface of the planet where they could |
| building, which goes straight down into the ground like | | | | catch transportation to the rest of the city. |
| the middle eastern Arab international terrorists did in 9 | | | | As land and real estate prices get too expensive the |
| 11. Once a vertical Tunnel was built straight down the | | | | buildings get higher and more dangerous. However, if |
| walls could be fused together using laser molecular | | | | we build downwards we have miles and miles to go |
| realignment technologies. This would make the walls | | | | before we ever run out to of the earth's crust to build |
| stronger than steel by using the forces of molecular | | | | into. Please consider this in 2006. |
| bonding to hold the wall in place while it was being built. | | | | |