Two decades on, the memories of Greensburg's darkest moments are still painfully fresh. On May 4, 2007, an EF-5 tornado destroyed 95% of the small town in Kiowa County, Kansas, killing 10 people and ...
In 2007, a powerful tornado decimated Greensburg, Kansas. Today, 100% of its electricity comes from wind energy and many of its roofs are lined with solar panels. Ian Lee reports.