Town Rebuilds Green After Devastating Tornado

Three years ago, a massive tornado ripped through the town of Greensburg, Kan., leaving ninety percent of the population homeless and 11 people dead. But there is new growth: a super-energy-efficient City Hall made from reclaimed brick and wood; an art center powered by the sun and wind; and a home modeled on a geodesic dome. And the rebuilding brought its 900 residents closer together.