| You won't have to start at ground zero because all homebuilders today are concerned with energy efficiency and indoor air quality. |
| In our age of weapons of mass destruction every square foot of our globe can become such a ground zero in a twinkling. |
| Flipping a few options can make it more enjoyable for those that like to avoid starting at ground zero every time. |
| The people at London's ground zero were sounding like the Spanish after their train bombings. |
| Riding, walking, or just standing anywhere on the Plains is like being at ground zero of the 1980 blast. |
| We are in Zimbabwe, ground zero of the deadliest epidemic known to mankind. |
