Two years ago, a devastating tornado wiped out most of Greensburg, Kansas, including the City Administrator's home and everything he owned. But Steve Hewitt believes the tornado had a silver lining, for it gave this town of  1,400 people a clean slate from which to reinvent itself.

Today the town is rebuilding as a model green community. City leaders are using solar and wind technology to harness power and geothermal to heat. A new nonprofit is building 12 houses with energy-efficient features.

(Read the inspiring story in CNN)

Thanks to Aaron Fein for sending in the link!